414 



INDEX AND GLOSSAET 



Cutaneoua glands, Frog, 258. 

 Cystic ducts, Frog, 231. 



D 



Development of prothallium, Fern, 

 335. 



Diastase of malt, action of, upon 

 starch, Ml. 



Dias'tole {Or. expansion). See Sys- 

 tole. 



Differentia' tion, the evolutionary proc- 

 ess by whicli originally similar 

 parts become specialized in struct- 

 ure or function. 



Digestive system. Earthworm, 129 ; 

 Frog, 22V; Lobster, 159; Locust, 

 181; Mussel, 198; Starfish, 107. 



Direct observation of the ascent of 

 water in stems, 356. 



Dissection, Rules for, xviii. 



Division, a non-sexual method of pro- 

 ducing new cells or organisms by 

 the separation of the parent cell or 

 organism into two more or less sim- 

 ilar parts. Same as Fission. 



Drawing, xx. 



Duode'num (L. twelve each), Frog, 

 231. 



Du'ra ma'ter (Z. hard mother), Frog, 



247. 



E 



Earthtvorm, 122; blood, 131; brain, 

 132; capsulogenous glands, 127; 

 circulatory system, 131 ; cuticle, 

 125; digestive system, 129; excre- 

 tory system, 133 ; exoskeleton, 124 ; 

 feeding, 136; movements, 135; 

 nephridia, 133 ; nervous system, 

 132; oesophageal glands, 130; re- 

 productive system, 133; segmental 

 organs, 133; segments, 122; setae, 

 125; spermathecse, 134; supra- 

 cesophageal ganglion, 182 ; testes, 

 134; ventral ganglia, 132. 



Eo'toderm {Gr. outside skin), Hy- 

 droid, 86 ; Starfish (egg), 120. 



Ec'tosarc (Gr. outside flesh), Proteus 



Animalcule, 7 ; Slipper Animalcule, 

 12. 

 Embryo, Seeds, 337. 



Embryo-sac, Flowers, 376. 



Enceph'alon (_Gr. the brain). Frog, 

 246. 



Encysta'tion, a resting condition, usu- 

 ally preparatory to reproduction, as- 

 sumed by some of the lower organ- 

 isms, e. g. Protozoa, during which 

 they are enclosed in a sac or cyst. 



Endogenous spore formation, Teast, 

 38. 



Endophragmal system, Lobster, 164. 



En'dosarc (Gr. inside flesh), Proteus 

 Animalcule, 7 ; Slipper Animalcule, 

 12. 



Enlargements of spinal cord. Frog, 250. 



En'teron (Gr. the intestine), Hydroid, 

 86. 



En'toderm {Gr. inside skin), Hydroid, 

 86 ; Starfish (egg), 120. 



Epidermis, Liverwort, 311; Lobster, 

 153; Mussel, 190; Stems, 353. 



Edro'tium (Gr. mould), spores of, 46. 

 See Mould. 



EuspONGiA (Gr. well, sponge), 65. See 

 Sponges. 



Excretory system, Earthworm, 133 ; 

 Lobster, 163 ; Mussel, 201. 



External anatomy of the heart. Frog, 

 237. 



Eye, Frog, 256; Lobster, 151 ; Locust, 

 174; Starfish, 104. 



Feeding, Earthworm, 136 ; Hydra, 95; 

 Lobster, 167. 



Fern, 320; antheridia, 334; apical 

 cells, 327, 328; archegonia, 334; 

 bast, 330; bundle-sheath, 326, 380; 

 capsule, 333 ; cilia, 334 ; develop- 

 ment of prothallium, 335 ; epider- 

 mis, 325; fibro-vascular bundle, 

 325, 826, 330; fronds, 321, 324, 

 329; germination of spore, 131; 

 growing point, 327, 334 ; indusium. 



