EPHEMERIDA, ODONATA, PLECOPTERA, ET AL. 



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Fig. 127. — Embia uhrichi. Successive stages of embryo A-H. 



{am) Amnion, {ant) 



Antenna, {ceph) Cephalic lobe, {ch) Chorion, {cut) Cuticula. {ect) Ectoderm, {lb) 

 Labium. {Ir) Labrum. {md) Mandible, {mx) Maxilla, {proct) Proctodaeum. {ser){s) 

 Serosa, {stom) Stomodaeum. {y) Yolk. {From Kershaw.) 



