296 



basal article, inferior spine of basicerite a little sborter than 

 stylocerite, upper angle uuarmed, obtuse. 



Telson much narrowed backward, tbe proportiou of its length 

 to the width at base and to the width of tbe posterior margin 

 are respectively as 4 : 3 aud as 4:1; posterior margin prominent, 

 semicireiilar, outer angles not acute. Spinules of upper surface 

 small, inserted near the lateral margius, tbe anterior pair a little 

 before tbe middle. 



Relative dimensions of larger cbela : Fiugers 1; total length 

 3,77; height 1,18. This cbela is 3,2 times as long as high, and 

 2,76 times longer than the smaller oue, the proportions of which 

 are: Fingers 1; total length 2,73; height 0,8. Palm of larger 

 cbela witb an acute spiniform tootb at anterior margin, directed 

 obliquely upward ; palm of tbe smaller cbela unarmed, fingers 

 tapering, dactylus glabrous above. First carpal segment of 2nd 

 legs 4 times as long as thick, being in proportion to tbe sum 

 of the four foUowing as 1 : 1,1; fingers in proportion to tbe 

 palm as 7 : 5, cbela as long as the sum of four last segments of 

 carpus. 



Following legs uearly as in «S(/n. biunguiculatus exilipes. Relative 

 dimensions of 3rd pair: Meropodite 2,5; carpus 1; propodite 2,2. 

 Meropodite unarmed, 4,8 times as long as wide, propodite 8 times, 

 witb 10 short spinules. Dactylus as in Fig. 10a" (1. c), '/^ of the 

 propodite, dorsal hook one and a half as long as the ventral. 



Length of the single young specimen, that was collected, 

 10,5 mm. 



10. Synalpbeus Theano, n. sp. 



Station 164. Lat. 1° 42'. 5 S., long. 130° 47'. 5 E. Deptb 32 M. 



A new species of tbe Bimiguiculatus-grouT^j closely related to 

 Syn. neptunus Dana. 



Frontal spines as in this species, tbe rostrum 4 times as long 

 as wide in tbe middle, bardly reachiug beyond the middle of the 

 visible part of Ist antennular article. Antennular peduncle 5 times 

 as long as thick, visible part of Ist article one and a half as 



