No. 26.] ARTHROSTRACA OF CONNECTICUT. 



Chiridotea tuftsii (Simpson). 



217 



FIG. 67. Chiridotea tuftsii. 



1853. Idotea tuftsii, Stimpson, Marine Invert. Grand Manan, 



P- 39- 



1874. Idotea tuftsii, Harger, Rept. U. S. Com. Fish, for 

 1871-2, p. 569. 



1880. Chiridotea tuftsii, Harger, ibid., for 1878, p. 340, pi. 

 4, figs. 20-23. 



1905. Chiridotea tuftsii, Richardson, Bull. U. S. Nat. Mus., 

 No. 54, p. 354. 



Body ovate, less than twice as long as wide. Head twice as 

 wide as long, with the front deeply excavate between the antero- 

 lateral angles, and produced in a small median point; lateral 

 margins bilobed, the posterior lobe being produced laterally 

 beyond the anterior one. Eyes small, round, more distinct than 

 in the preceding species, situated just within the cleft on the 

 lateral margin. 



First antennae with first joint large and dilated; second joint 

 longer than first, and third longer than second; flagellum made 

 up of a single segment as long as the last two joints of the pedun- 

 cle together, setose; shorter than the peduncle of second antennae. 

 Second antennae with first segment short; second joint twice as 

 long as the first; third joint a little shorter than the second; 



