Burgess on Psocus, [391] f.

Burmeister on Mantidae, [250]

Bursa copulatrix, [139]

Caddis-flies, [473] f.

Caecum, [125]

Caenis dimidiata, [442]

Calcares, [104]

Calepteryginae, [422], [426]

Calepteryx, [417], [420], [422];

its eggs' parasite, [538]