PLATE XVII. 



Fig. 78. Alpheiis Stanleyi Cout. var. dearmatiis de Man, frontal and antennal region of the largest specimen 

 from Stat. 152, X 20; 78^ telson of this specimen, ^< 20; 78/^ large cheliped of the male from 

 Stat. 240, outer side, >< 8; 78c large chela of this male, lower side, >' 8; 78^^ small cheliped 

 of this male, outer side, :' 12; 78 d' small chela of this male, lower side, : 12; 78/ leg of the 

 2°d pair of this male, ^^ 15; "j^g leg of the 31'! pair of the largest specimen from Stat. 152, 

 X 15; 78/^ leg of the 4th pair of this specimen, X I5- 



Fig. 79. Alpheus frontalis H. M.-Edw., frontal and antennal region of the adult male from Haingsisi, X 5 ; 

 79a the same of an egg-bearing female from Stat. 213, >' 5; 79^ the same of the egg-bearing 

 female from Stat. 261, X 5. 



Fig. 80. Alpheus bidens (Oliv.), frontal and antennal region of the male from Stat. 133, X 10 ; 80a small 

 cheliped of this male, outer side, X 8; %ob small chela of this male, lower side, X 8; 8or left 

 leg of the 3'd pair, X 8. 



Fig. 81. Alpheus praedator de Man, frontal and antennal region, X 15; 8irt telson, ' 20; 81^ external 

 maxilliped, >' 12; Sir large cheliped, outer side, X lO; 81^ large chela, lower side, >' 10 ; 

 81^ small cheliped, outer side, ; 12; 81/" small chela, lower side, X I2; 81^ leg of the 2id pair, 

 X 12; 81/! leg of the 3rd pair, X I2; 8u' leg of the 41'! pair, X 12. 



