HERPETOLOGY AND ICHTHYOLOGY: GLOSSARY. 137 



HERPE'TOLOGY. From the Greek, ICHTHYO'LOGIST. Ik-the-o-lo-jist. 



erpeton, a creeping thing, a reptile, 

 and logos, a discourse. A treatise 

 on reptiles. 



HEXA'GONAL. From the Greek, ex, 

 six, and gonia, angle. Having six 

 sides or angles. 



HI^ER'NATE. From the Latin, hiber- 

 nare, to winter, to be in winter 

 quarters. Animals that retire and 

 sleep throughout the winter are 

 said to hibernate. 



HIBER'NATION. The act of hiberna- 

 ting. Being in winter quarters. 



Hipro'cAMFos. From the Greek, 

 ippos, a horse, and karnpe, crooked, 

 ness. Systematic name of the 

 sea-horse. 



HIPPO'GLOSSUS. From the Greek, 

 ippos, a horse, and glossa, tongue. 

 Systematic name of the holibut. 



HU'MERAL CINCTURE. A chain of 

 bones, forming a sort of belt, 

 which sustains the pectoral fin, 

 (anterior extremity) of fishes. 



HU'MERUS. The bone of the arm, 

 which is situate between the 

 shoulder joint and elbow. 



Huso. Specific name of a sturgeon- 



HYDRUS. Latin. A water-snake. 



HYLA. From the Greek, ule, a wood, 

 trees. Systematic name of the tree 

 frog. 



HY'OID. From the Greek, u, am 

 eidos, resemblance. Resembling 

 the shape or form of the letter U 

 The os hyoides, the hyoid bone, is 

 a very moveable bony arch, placec 

 horizontally in the substance o 

 the soft parts of the neck, at the 

 root of the tongue. It does not 

 articulate with any other bone of > 



From the Greek, ichthus t a fish, 

 and logos, a discourse. One skilled 

 in ichthyology. 



ICHTHYO'LOGY. Ik-the-o'l-o-je. From 

 the Greek, ichthus, a fish, and 

 logos, a discourse. A history of 

 fishes. 



ICHTHYO'SAURUS. Ik-the-o'-saw-rus. 

 From the Greek, ichthus, a fish, 

 and saura, lizard. Fish -lizard. 

 Systematic name of a kind of 

 fossil. 



IcHTHYo'coLLA.-Ik-the-o'-colla. From 

 the Greek, ichthus, a fish, and kollu, 

 glue. Fish glue. A kind of glue 

 prepared from fishes. 



I'GUANA. Name of a kind of saurian. 



I'GUANIAN. Applied to saurians of 

 which the type is the Iguana. 



I'GUANIDA. Formed from the aborigi- 

 nal name, iguana, and the Greek 

 eidos, resemblance. Systematic 

 name of a family of saurians. 



ILLY'RICA. Latin. Illyrian ; belong- 

 ing or relating to Illyria. 



IMB'RICATE. Laid one over the other 

 like tiles or shingles. 



INCI'SOR. From the Latin, incido, I 

 cut. The teeth which occupy ttie 

 anterior part of the upper and 

 lower jaws, are called incisors, or 

 incisor teeth, because they are 

 used for cutting the food in the 

 manner of cutting instruments. 



INTEGUMENT. From the Latin tegere, 

 to cover. The skin. The cover- 

 ing of the body. 



INTER-MAXILLARY. From the Latin, 

 inter, between, and maxilla, the 

 jaw. Bones situate at the anterior 

 part of the upper jaw between its 

 two sides. 



the skeleton, and is only con- ! INTERSPINAL The interspinal bones 



nected to it through the medium 

 of muscles and ligaments. The 

 general characters of the hyoid 

 bone, are the same in all verte- 

 brate animals. In fishes, its bran- 

 ches are composed of several 

 pieces, and give support to the 

 branchiostegous rays, 

 HroiDEs. See hyoid. 



n* 



form a series of strong, dagger- 

 like bones, deeply implanted in the 

 flesh along the middle line of the 

 body of fishes', between the two 

 great, masses of lateral muscles : 

 their points generally penetrate 

 to a little distance between the 

 spinous processes of the vertebrae, 

 to which they are connected Hv - 



