INDEX 



45/ 



Eggs, meroblastic, 8 

 mosaic, 161 

 telolecithal, 8 

 Embia uhrichi, 204 

 Embiidina, 204 

 Emboly, 66 

 Embryo, 13 

 Embryonic cuticle, 270 

 Embryonic envelopes, 12, 49 

 Embryonic rudiment, 11 

 Endochorion, 25 

 Endoskeleton, 93 

 Ental membrane, 204, 215 

 Enterocoele, 112, 113 



Enteron, 77 



Enteron ribbon, 19 



Entoderm, 70, 75, 162 

 primary, 73, 75, 220 

 secondary, 14, 16, 68, 75, 220 



Entodermal macromeres, 76 



Entomesoderm, 77 • 



Envelopes, embryonic, 12 



Ephemera vulgata, 191 



Ephemerida, 191 



Epiblast, 66 



Epiboly, 66, 226 



Epigenesis, 67 



Epineural sinus, 16, 17, 116, 180, 214, 239 



Epitheca bimaculata, 200 



Epithelial rudiment, 18 



Erythemis simplicicolHs, 192 



Esophagus, 81 



Eutermes rippertii, 216 



Exochorion, 25 



Experimental embryology, 144 



Experimental technique, 145 



Eye, 107, 108 

 simple, 107, 109 

 compound, 107 

 Eye disk, 105 



Fat body, 120 

 Fertilization, 28 

 Fertilization membrane, 29 

 Fetal placenta, 209 

 Fetal stage, 388, 399 

 Fibrillar substance, 21 

 Fire bug, 271 

 First ventral groove. 223 

 Fleas, 356 



Follicle, 26 

 Food yolk, 26 

 Fore-gut, 111 

 Forjicula auricularia, 206 

 Formative center, 152 

 Formative protoplasm, 24 

 Formative yolk, 26 

 Frontal ganglion, 102 

 Fusion nucleus, 9, 30 



GangUa allata, 94 



Gangliogenes, 105 



Gangliomeres, 100 



Ganglion pit, 394 



Garland strand (see Guirland cell strand) 



Gastral furrow, 69, 72 



Gastral groove, 224 



Gastral invagination, 14 



Gastrocoele, 77 



Gastrula, 65, 68 



Gastrular invagination, 14, 71 



Gastrulation, 13, 65, 68, 77 



multiple-phase, 77 

 Genital ampullae, 402 

 Genital atrium, 403 

 Genital ridge, 16, 18, 122, 123 

 Genital rudiment, 126 

 Germarium, 26, 124 

 Germ band, 11, 38, 50 

 ankyloblastic, 38 

 brachyblastic, 38 

 immersed, 49 

 intermediate, 38 

 invaginated, 59 

 orthoblastic, 38 

 superficial, 50 

 tanvblastic, 38 

 Germ" cells, 10, 22,24,35, 162 

 Germ disk, 11, 38 

 Germ-layer theory, 67 

 Germ layers, 2, 67, 68 

 inner, 13, 14, 68 

 lower, 14, 68 

 Germ plasm, 27 



Germ-track determinant, 10, 27 

 Germ-track plasma, 35 

 Germinal center, 126 

 Germinal cytoplasm, 27 

 Giant cell, 30 



