98 
BULLETIN OF THE 
DESCRIPTIONS OF FIGURES. 
LIST OF ABBREVIATIONS. 
A. an. anus. L. lab. labium. 
ao. aorta. Ins. lens. 
1. app. 1st pair of appendages. lob. ca. caudal lobe. 
2.app. 2nd pair of appendages. lob. ce. cephalic lobe. 
6. app. 6th pair of appendages. lr. labrum. 
Bao) brain. lu. lumen. 
ol’. blastema. M. ms d. mesoderm. 
bl d. blastoderm. ms d. so. mesodermic somite. 
br. stc.  stercoral pocket. mu. muscle. 
C. cd.ab. abdominal portion of mu. lat. lateral muscle. 
nerve cord. mu. vrt. vertical muscle. 
cd. n. nerve cord. N. nil. nucleus. 
edn.ca, caudal thickening. O. @. cesophagus. 
ch. chorion. ocl, ocellus. 
cr. heart. P. phx. pharynx. 
cta. cuticula. ppl. protoplasm. 
cum. pr. primitive cumulus. pr. app. provisional appendages. 
Dd. dorsum. pr d. proctodeum. 
E. ec. ectoderm. pr-stc. __pre-stercoral tube. 
ed. epidermis. pr 2. protozonite. 
en. large so-called ento- p-sd. post-gastric tube. 
dermic cells. R. rin’. Ist (inverted) layer of op- 
G. gl. gland. tic invagination. 
gl. sre. spinning gland. rin’. 2nd (non-inverted) layer. 
gn. ganglion. S. sd. stomodzum. 
gra granular (“ puncti- omlre tail, tip of body. 
form’) substance. irg. tergite. 
18, (Aah hypodermis. V. vit. ‘‘ vitreous body.” 
Ve i invagination, to form vl. vacuole. 
the pulmonary sac. Y. yk. yolk. 
The figures of Plates I-IV. are surface views of eggs by reflected light, each 
magnified about sixty diameters. 
PLATE I. 
Fig. 1. An egg showing the primitive cumulus. 
«2, A more advanced egg, showing the primitive cumulus, the caudal thick- 
ening (c dn. ca.), and between the two, traces of the forming ventral 
plate. 
