60 GLOSSARY. 



Gula (L. the throat, gullet). A large plate which in most 



Insecta supports the submentum. 

 Gusta'tory (L. gustatus, taste). Relating to the sense of taste. 



The name given to the branch of the fifth cerebral nerve 



which supplies the front of the tongue, and is concerned 



in the sense of taste. 

 Gut'tural fos'sa (L. gutfur, the throat ; fossa, a ditch). The 



central portion of the palate bone. 



Gymnolae'mata (Gr. gumnos, naked; latmos, throat). A di- 

 vision of the Polyzoa having no epistoma. 

 Gymnophio'na (Gr. gumnos, naked ; ophioneos, snaky). A 



group of the Amphibia having the integument devoid of 



scutes, and having no limbs. 

 Gymnophthal'mata (Gr. gumnos, naked ; ophthalmos, an eye). 



The so-called naked-eyed Medusae, the great majority of 



which are now known to be the free-swimming gonophores 



of the Hydrophora. 

 Gymnoso'mata (Gr. gumnos, naked ; soma, somatos, a body). 



Pteropods devoid of mantle and shell. 

 Gymno'tini (Gr. gumnos, naked ; notos, the back). A family 



of Teleostean fishes. 

 Gynae'cophore (Gr. gunaikon, the women's apartment ; phoreo, 



I bear). A canal in which the male of some dioecious 



Trematodes carries the female. 

 Gy'nophores (Gr. gune, a woman; phoreo, I bear). The 



branches upon which the female gonophores are borne in 



some Siphonophora. 

 Gy'ri oper'ti (Gr. and L. hidden convolutions). Another name 



for the central lobe, or Island of Reil, of the cerebrum. 

 Gy'rus (Gr. guros, a ring). A term applied to the convolutions 



of the brain. 



H. 



Habe'nula perfora'ta (L. the perforated little thong). The ter- 

 mination of the lamina spiralis of the cochlea of the ear. 



Haemadynamo'ineter (Gr. haima, blood ; dunamis, power). An 

 instrument for measuring blood pressure. 



Hse'mal (Gr. haima, blood). Relating to the blood system. 

 The flexure of the intestine in the Mollusca is said to be 

 haemal when it turns towards that side of the body which 

 contains the heart and chief blood-vessels. 



