INDEX-GLOSSARY. 379 



Hepato-pancreas, 94. 



Hepatic portal system Rana, 143, 165, 199, 268. 



Hermaphrodite Bi-sexual, 23. 55. 80. 12Q. 



Hilus, in Mammalia The point at which the ureter leaves the kidney, 295. 



Hind-brain The part of the brain developed from the third cerebral 



vesicle, 169, 211, 253, 302. 

 Hind-gut (Proctodeeum) The posterior part of the alimentary canal which 



arises as an ectodermic pit, 48, 57, 78, 94. 

 Hind-limb, 176, 230, 241, 269, 281, 327. 

 Hinge- joints, 91, 326. 

 Hippocampus major, 301. 

 Hippopotamus, 5, 354. 

 Hippuric acid, 297. 

 Hirudo (Leech), 75-82, 135, 340. 

 Hirudinea, 340. 



Histology (lords, a thing woven; Xoyos, speech, discourse) The mor- 

 phology of minute structure, 2. 

 Homarus = Lobster, q.v. 

 Homo, Chap, xiv., 321. 



Homology Morphological equivalence, 27, 90, 311. 

 Holoblastic (o\os, whole; /SXao-ros, a germ) of cleavage Affecting the 



whole oosperm, 26, 44, 67. 



Host An organism preyed on by a parasite, 34. 

 Humming bird, 349. 



Humour Aqueous, 174, 222; Vitreous, 174, 222. 

 Hyaena, 356. 



Hybernaculum (hibernaculum, a winter abode), 123. 

 Hybernation (hiberno, I winter) A state of torpidity during winter ; 



Helix, 123. 

 Hybrid, 4. 



Hydra (ufym, a water-serpent), 19-27, 340. 

 Hydroid Resembling Hydra, 27. 

 Hydrozoa, 27, 

 Hylobates, 338. 

 Hyoid H. apparatus: (1) Strictly speaking, structures derived from the 



hyoid arch or in connection with such ; (2) The above + elements from 



the branchial arches, 183, 236, 276. See Arches. 

 Hyomandibular, 157. 

 Hyostylic, of the Skull With the lower jaw attached with the aid of 



hyoid elements, 158. 

 Hypapophysis (UTTO, under ; ebro^i/o-is, a process) A downward process 



from the centrum of a vertebra, 238. 



