109 



beyond the extremity of aatenuular peduacle, scaphocerite as long 

 as carpocerite, lateral spine of scaphocerite reachiug backward to 

 the middle of 2nd anteuuular article, scale reaching to the ex- 

 tremity of 3rd. 



Smaller chela of the male resembling that of A. euchirus 

 Dana = A. Hippothoë de Mau, var? of 1897, dactylus as long 

 as the palm, obtusely carinate above and presenting on the inner 

 (not on the outer) side a crest or ridge, friuged with hairs, as 

 in A. euchirus. 



Carpus of 2nd legs stout, Ist segment 2,5-times as long as 

 2nd, that is one fourth longer than the 5th. 



Ischiopodite of 3rd and 4th legs with a strong, movable spine. 

 Meropodite of 3rd legs 5,26 — 5,31-times longer than wide, unar- 

 med ; propodite 1,26-times as long as the carpus, almost 6-times 

 longer than wide, with 11 or 12 spinules on the posterior margin ; 

 dactylus a little more than one fourth the propodite, with a small, 

 acute, accessory tooth on its posterior margin, at one fourth of its 

 length from the tip. Ova small, numerous, globular, diameter 0,5 m.m. 



Length of male 22 m.m., of female 25 m.m. 



11. Alpheus bis-incisus de Haan, var. variabilis, n. 

 Station 71. Makassar. Depth up to 32 M. 



Closely allied to A. bis-incisus de Haan, var. malensis Cout. 

 Rostrum 3-times as long as wide at its base, reaching to the 

 distal fourth of visible part of Ist anteunular article, sometimes 

 flattened above, sometimes rounded. Outer margin of scaphocerite 

 more concave than in the var. malensis^ terminal spine directed 

 inward, stylocerite just reaching beyond Ist antennular article, 

 for the rest both peduncles as in the other variety. 



Larger chela of the male closely resembling that of the var. 

 malensis (Coutière, Alpheidae Maldive and Laccad. Archip. 1905, 

 PI. LXXXVl, Fig. 48a), proportion between the length of the 

 chela and the height of the palm 2,4, proportion between the 

 height of the palm and that of the fingers 1,54, proportion be- 

 tween the length of the chela and that of the fingers 2,6. Ex- 



