Download Download Hi-Res version
825 x 1344 (0k )
Skull of normal adult Fowl
Skull of normal adult Fowl Skull of adult Fowl. Here the temporal fossa is bridged over by the junction of the post-frontal and squamosal porcesses (pf., sq.). The processes of the mandible (iap,pap) are characteristic of this type, and of the anseres. a, Angular of mandible. ar, Articular. bt, Basi-temporal. d, Dentary. eo, Lateral occipital. eth, Ethmoid. f, Frontal. iap, Interangular process of mandible. ios, Interorbital septum. j, Jugal. l, Lacrymal. mx, Maxillary. n, Nasal. os, Orbito-sphenoid. p, Parietal. pa, Palatine. pap, Posteriod angular process of mandible. pe, Ethmoid. pf, Post-frontal. pg, Pterygoid. ps, Pre-phenod. px, Premaxilla. q, Quadrate. qj, Quadratojugal. sa, Supra-angular or coronoid. so, Supra-occipital. sq, Squamosal. ty, Tympanic cavity. v, Vomer. 1, Exit of olfactory nerve.
Source: 1911 EB, Vol. 3, Page 961
Other images in this category...
Diagram of vertical median section of Abdomen : Diagram of vertical median section of Abdomen. A, Aorta. P, Pancreas. I, Intestine. R, Rectum. L, Liver. D, Duodenum. B, Bladder. St, Stomach. C, Colon. V, Vagina. (The fine dots represent the great sac of the peritoneum, the coarse dots the lesser sac.)

(Click on image for more detail, or to download a higher-quality version.)

Diagram of vertical median section of Abdomen
Skull of a Black-Fish : A Section of the Skull of a Black-Fish (Globicephalus melas). P Mx, Premaxilla. Mx, Maxilla. ME, Ossified portion of the mesethmoid. an, Nostrils. Na, Nasal. IP, Inter-parietal. Fr, Frontal. Pa, Parietal. SO, Supra-occipital. ExO, Ex-occipital. BO, Basi-occipital. Sq, Squamosal. Per, Periotic. AS, Alisphenoid. PS, Prespenoid. Pt, Pterygoid. p...

(Click on image for more detail, or to download a higher-quality version.)

Skull of a Black-Fish
Skull of male Narwhal : Upper surface of the Skull of male Narwhal (Monodon monoceros), with the whole of both teeth exposed by removal of the upper wall of their alveolar cavities.

(Click on image for more detail, or to download a higher-quality version.)

Skull of male Narwhal
Two segments of Scolopendra : Two segments of Scolopendra, showing the branching and anastomising tracheae and a spiracle (sp). (After Hasse, Zool Beiträge, i. pt. 65, 1884, by permission of J. N. Kern.)

(Click on image for more detail, or to download a higher-quality version.)

Two segments of Scolopendra
Anterior extremity of Scolopendra : Anterior extremity of Scolopendra, showing two chambers of the heart (h), the aortic ring (a), the alae cordis (a.m) and a cardiac oriface (o). (After Newport, Phil. Trans., 1843.)

(Click on image for more detail, or to download a higher-quality version.)

Anterior extremity of Scolopendra
Fang of Toxicognaths of Scolopendra : Terminal segment or fang of Toxicognaths of Scolopendra, showing the oriface of the poison gland. (After Latzel, Die Myr. öst.-ung. Mon. vol. i. "Chilopoda," Vienna, 1880.)

(Click on image for more detail, or to download a higher-quality version.)

Fang of Toxicognaths of Scolopendra
Toxicognaths of Scolopendra : Toxicognaths of Scolopendra, showing the large coxal plate and the reduced penultimate and ante-penultimate segments.

(Click on image for more detail, or to download a higher-quality version.)

Toxicognaths of Scolopendra
Later embryo of Scolopendra : Posterior end of a later embryo of Scolopendra, ventral view, showing the anal segment or telson (t); the legs of the last pair in the adult (lg. 21) and the two rudimentary pairs of legs (lg. 22, lg. 23). (Modified from Heymons, Bibl. Zool., 1901, by permission of E. Nägele.)

(Click on image for more detail, or to download a higher-quality version.)

Later embryo of Scolopendra
All of these images are completely free and may be used for any purpose, in whole or in part, royalty-free, without the need to give credit to their authors, under the laws of the United States. They come from old books whose copyright has expired in the U.S. (like the 1911 Encyclopedia Britannica) and from U.S. Government web sites.

No copyright. No rights reserved. All images and text are public domain under the laws of the United States. No warranty nor guarantee is given as to the accuracy of any of this information or imagery, nor for it's suitability for any purpose. Use at your own risk.
(Script last modified Thursday, the 29th of July, 2010 at 5:14am)