AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[THIRD SERIES] 
Art. LI—Brief Contributions to Zoology from the Museum of 
Yale College. No. XX1.—The Early Stages of the American 
Lobster (HomaRUS AMERICANUS Edwards); by S. I. SMITH. 
taki 
leaving it. Of the later stages, which connect the newly hatched 
The specimens were all obtained in Vineyard Sound, or the 
adjacent waters, during July, and were mostly taken at the 
surface in the day-time, either with the towing or hand net. 
They present three quite different stages in the true larval con- 
dition, besides a later stage approaching closely the adult. The 
exact age of the larve of the 
third stage, here described, and the last, there is sian. an 
res have 
