. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. CKTACEA. 549 destitute of baleen plates, and the lower jaw possesses a series (about fifty-four) of pointed conical teeth, separated by inter- vals, and sunk in a common alveolar groove, which is only im- perfectly divided by septa. The upper jaw is also in reality furnished with teeth, but, with a single partial exception, these do not cut the gum.. Fig. 213.—Spermaceti Whale {Physeter macrocepkalus). The best-known species of this family is the great Cachalot or Spermaceti Whal

- Image ID: RDKKXH
. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. CKTACEA. 549 destitute of baleen plates, and the lower jaw possesses a series (about fifty-four) of pointed conical teeth, separated by inter- vals, and sunk in a common alveolar groove, which is only im- perfectly divided by septa. The upper jaw is also in reality furnished with teeth, but, with a single partial exception, these do not cut the gum.. Fig. 213.—Spermaceti Whale {Physeter macrocepkalus). The best-known species of this family is the great Cachalot or Spermaceti Whal
The Book Worm / Alamy Stock Photo
Image ID: RDKKXH
. A manual of zoology for the use of students : with a general introduction on the principles of zoology . Zoology. CKTACEA. 549 destitute of baleen plates, and the lower jaw possesses a series (about fifty-four) of pointed conical teeth, separated by inter- vals, and sunk in a common alveolar groove, which is only im- perfectly divided by septa. The upper jaw is also in reality furnished with teeth, but, with a single partial exception, these do not cut the gum.. Fig. 213.—Spermaceti Whale {Physeter macrocepkalus). The best-known species of this family is the great Cachalot or Spermaceti Whale (Fhyseter macrocephalus, fig. 213). This animal is of enormous size, averaging from fifty to seventy feet in length, but the females are a good deal smaller than the males. The head is disproportionately large, as in the Balcsn- idee, forming nearly one-third of the entire length of the body. The snout forms a broad truncated muzzle, and the nostrils .ire placed near the front margin of this. The Sperm Whales live together in troops or "schools," and they are found in various seas, especially in the North Pacific. They are largely sought after, chiefly for the substance known as "spermaceti;" but besides this they yield oil and the singular body called " ambergris." The spermaceti is a fatty substance, which has the power of concreting when exposed to the air, being in life a clear white oily liquid. It is not only diffused through the entire blubber, but is also contained in special cavities of the head. The sperm-oil yielded, by the blubber is exceedingly pure, and is free from the unpleasant odour of ordinary whale- oil. The ambergris is a peculiar substance which is found in masses in the intestine, and is probably of the nature of a biliary calculus, since it is said to be composed of a substance very nearly allied to cholesterine. It is uged both as a per- fume itself, and to mix with other perfumes. Fam. 3. Z>^^/^W(2fe.—This family

Similar stock images