44 



PROCEEDINGS 6P THE NATIONAL MUSEUM. 



VOL. XXXVI. 



Basicerite of the antennae distinctly spinous above, the spine always 

 longer than wide at the base; the lateral spine reaches to the ex- 

 tremity of the basal article of the antennule. 



Pig. 25. — Synalpheus minus, a, frontal and antennal region, typical; a', frontal 



AND ANTENNAL REGION, SPECIMEN FROM BER.MUDAS WITH BASICERITE SPINOUS ABOVE; 

 aa, FRONTAL AND ANTENNAL REGION, SPECIJIEN FIIOM STATION NO. 7123 WITH CARPOCERITE 

 MORE slender; C, CARPOCERITE, TYPICAL; C', CARPOCERITE, MALE, STATION NO. 7123; CC, 

 CARPOCERITE, FEMALE, STATION NO. 712.'j ; f, EGG ; i, OUTER MAXILLIPED ; K, LARGE CHELA, 

 TYPICAL ; k', SMALL CHELIPED OF FIRST PAIR, S. BREVICARPUS ; kk', SMALL CHELIPED OF 

 FIRST PAIR, TYPICAL ; kkk', SMALL CHELIPED OF FIRST PAIR, TYPICAL (ANOTHER SPECI- 

 MEN) ; I, FOOT OF SECOND PAIR; »l, FOOT OF THIRD PAIR, TYPICAL; mm, FOOT OF THIRD 



PAIR, s. BREVICARPUS ; nimm, foot of third pair, STATION NO. 7123 ; m', dactyl of 



THIRD PAIR, not TYPICAL; mm', DACTYL OF THIRD PAIR, TYPICAL; t, TELSON, S. BREVI- 

 CARPUS ; *', TELSON, TYPICAL. 



The antennal scale is narrow (proportion of leng^ih to width 7, and 

 up to 8.5), its inner border making a very obtuse angle and not a 

 regular curve ; the lateral spine is a little longer than the peduncle of 



