THE CRUSTACEA OF NEW JERSEY. 301 



furnished laterally with few setse, which on first and second seg- 

 ments of pleon form short row on each side, but never form 

 transverse band crossing segment. Marsupia of female thin- 

 walled pouches attached to ventral wall of sixth thoracic seg- 

 ment, increase with the development of the eggs, and in som.e 

 specimens, extend over fifth to seventh segments, to which not 

 attached, however. 



Color (in alcohol) pale yellow, mottled with brownish on 

 head, excepting over about thirty elliptical and sul>elliptical 

 areolse symmetrically arranged toward middle line. Dorsal sur- 

 faces of chelae similarly marked. Body and limbs behind head 

 much paler, as usually concealed in tubular dwelling. Length 

 4.7 mm. (H. F. Moore.) 



Remarks. — This interesting animal is only known from Sea 

 Isle City in this State. It was found by Dr. H. F. ]\'Ioore, in 

 1894, living in minute tubes in crevices between the scales of 

 the carapace of the loggerhead turtle (Caretfa caretta). Accord- 

 ing to their describer they were seen crawling carefully about 

 among their fellow voyagers or lying at the mouths of their 

 domiciles with only the head and chelse projecting, when undis- 

 turbed, otherwise they promptly retreated out of sight. 



Order STOMATOPODA. 



The Mantis Shrimps. 



Stalked eyes and first pair of antennae borne upon distinct 

 movable segments. Rostrum of adult separated by movable 

 joint from carapace. Latter small, not covering last four dis- 

 tinct thoracic segments. First five of eight pairs of thoracic 

 limbs not biramous, but adapted to serve as accessory mouth- 

 parts, second pair being strongly developed into large raptorial 

 limbs in which, as in three following pairs, terminal segm'ent 

 (daatylus) closes upon next segment fmanus) like blade of pen- 

 knife. Last three pairs of thoracic limbs biramous, with lateral 

 appendages upon penultimate segments and adapted for walking. 

 Abdomen very strongly developed. Tufted gills carried on ex- 

 opodites of first five abdominal appendages and sixth pair (uro- 



