REFERENCE LETTERS AND NUMBERS. 



a 



anterior. 





nl 



nerves of the legs. 



ab 



abdomen. 





nu 



nucleus. 



abp 



abdominal portion of 



germ 



oes 



oesophagus. 





band. 





ov 



ovary. 



acg 



accessory glands. 





ovd 



oviduct. 



am 



anmion. 





ovp 



ovipositor. 



amc 



amnionic cavity. 





P 



posterior. 



an 



antenna. 





pas 



posterior abdominal segment 



bl 



blastoderm. 





pb 



polar bodies. 



br 



brain. 





pe 



penis. 



c 



cephalic end of germ 



band. 



prth 



prothorax. 



cl 



cephalic lobes. 





sd 



duct of salivary gland. 



cae 



diverticulje of mid intestine. 



se 



serosa. 



d 



dorsal. 





sg 



salivary glands. 



ei 



eye. 





stk 



stalk of egg. 



fw 



fore wing. 





te 



testis. 



hd 



head. 





th 



thorax. 



hi 



hind intestine. 





v 



ventral. 



hw 



hind wings. 





vd 



vas deferens. 



idro 



rudiments of reproductive 



vg 



ventral ganglia. 





organs. 





vgl 



first ventral ganglion. 



idwi 



imaginal disc of fore 



wing. 



Vg2 



second ventral ganglion. 



idw2 



imaginal disc of hind 



wing. 



vg3 



third ventral ganglion. 



ism 



intersegmental muscles. 



vnc 



ventral nerve cord. 



Im 



muscles of the legs. 





vo 



vasiform orifice. 



mc 



male claspers. 





wm 



wing muscles. 



mi 



mid intestine. 





yk 



yolk. 



mp 



mouth parts. 





I 



fore leg. 



msth 



mesothorax. 





2 



middle leg. 



mtth 



metathorax. 





3 



hind leg. 



inyc 



micropyle. 









