INDEX 



Names of authors are in small capitals, generic names in italics. 



Abdominal appendages, 112 

 Acetic alcohol, 251 

 Acilius, optic lobe, 154, 157 

 Adductor (flexor) muscle of man- 

 dible, 178, 191, 207, 258 

 Agelastica, mesenteron, 74 



yolk cells, 240 



Ailmentary canal, development, 100, 

 102, 103, 104, 221-229 



larva, 97, 98, 220, 221 



muscles, 192, 199, 201, 202, 203, 



205, 206, 207, 209, 210, 259 

 Amnion, 43, 45, 59, 63, 66, 78, 82-88, 



96, 179, 253 



ANGLAS, oenocytes, 183 

 Antennae, 100, 102, 104, 105, 120, 



142, 143, 144, 156 

 Antennal coelomic sacs, 205, 206 

 Antennal lobes, see deutocerebrum 

 Antennal nerve, 120 

 Antennal somites, 163 

 Anterior field, 56 

 Anthophora, blastoderm, 34 



cleavage, 24 



cortical layer, 14 

 Ants, abdominal appendages, 112 

 Anurida, mesenteron, 73 



premandibular appendages, 109 



procephalic organ, 94 



segmentation of head, in 

 Anus, 104 

 Aorta, development, 196, 207 



larva, 193 



Aphids, yolk cells, 242 

 Aphis, genital cells, 218 



mesenteron, 73, 74 

 Apodeme of mandible, 161, 163, 



178, 179 

 Appendages, on abdomen, 112, 255 



on antennal segment, 107, 108, 



255 



on tritocerebral (premandibu- 

 lar) segment 109-111, 255 

 Apterygota, mesoderm, 50 

 Ascaris, germ cells, 219 

 AYERS, mesenteron, 72 

 segmentation, 55 



Bacillus, corpora allata, 163 

 mesenteron, 74 



BALBIANI, genital cells, 218 

 BALFOUR, mesenteron, 72 

 Biorhiza, amnion, 87 



cleavage, 25 

 Blastoderm, 44, 236, 237, 238, 242 



formation of, 27-43, 254 

 Blastokinesis, 88 

 Blatta, mesenteron, 73, 74, 77 



oenocytes, 182 

 BLOCHMANN, blastoderm, 34 



corpuscles, 9, 13, 14, 15, 254 



maturation of egg, 3 

 Blood corpuscles, development, 197, 



199, 259 



larva, 196 

 BOBRETZSKY, mesenteron, 72 



mesoderm, 50 



yolk cells, 240 

 Body cavity, 210 

 Boinbyx, corpora allata, 164 



invaginations on gnathal seg- 

 ments, 174 



mesenteron, 73, 74 

 BOVERI, germ cells, 219 

 Brain, degenerating cells, 164-166 



development, 100, 102, 103, 142- 



157, 255 



larva, 98, 113-121 

 BURGER, mesoderm, 197, 209 



neuroblasts, 139 



segmentation, 55 

 BUTSCHLI, i 



abdominal appendages, 112 



amnion, 85, 87, 88 



cleavage, 26 



contraction of egg, 95, 96 



genital organs, 216 



mesenteron, 69 



premandibular appendages, 109, 

 no 



segmentation, 54 



tracheal system, 167 



Calandra, mesenteron, 73 

 Calliphora, mesenteron, 73, 74, 75, 



77 

 Caloptcryx, mesenteron, 73, 74 



Campodea, mesenteron, 73, 75 

 Camponotus, amnion, 87 

 Blochmann's corpuscles, 14 



273 



