132 
MR. W. K. BROOKS OK LUCIFER: 
Fig. 26. Side view of a Nauplius , xoVo^ 1 inch, long, and a little older than the one 
shown in fig. 25. The animal is a little flattened by pressure. In a 
ventral view of the same larva the anus was visible at the point marked a. 
in the figure. 
os. (Esophagus. 
5. Stomach. 
l. Large cells around stomach. 
i. Intestine. 
ga. Cerebral ganglia. 
n. Ventral nerve-chain. 
p. Pigment spots. 
Fig. 27. Dorsal view of a Protozoea, toooL 1 inch long, which moulted from the 
Nauplius shown in fig. 26, about 96 hours after oviposition. 
ga. Cerebral ganglia, 
s. Stomach. 
h. Heart. 
i. Intestine. 
p. Pigment spots. 
a. Anus. 
m. Muscles of oesophagus. 
Is. Postero-lateral spines of carapace. 
ds. Posterior dorsal spine of carapace. 
abd. Unsegmented portion of abdomen. 
ex. Exopodite. 
en. Endopodite. 
Fig. 28. Eight mandible of the same specimen seen from below. 
Fig. 29. Eight mandible seen from behind. 
Fig. 30. Back or outer surface of first maxilla of the same specimen. 
sc. Scaphognathite. 
Fig. 31. Posterior surface of left-second maxilla of the same specimen. 
sc. Scaphognathite. 
b. Basal joint. 
en. Endopodite. 
Fig. 32. Left-first maxilliped of the same specimen; posterior surface. 
ex. Exopodite. 
en. Endopodite, 
b. Basal joint. 
Fig. 33. Eight-second maxilliped of the same specimen. 
ex. Exopodite. 
en. Endopodite. 
b. Basal joint. 
