PLATE XXIII. 



Fig. 97 a'. Alphetis Coiitierei de Man, large cheliped of this female, outer side, > lO; gje small cheliped 

 of this female, outer side, X lO; 97/ leg of the 2nd pair of this female, X 10 ; 97^ leg of the 

 3rd pair of this female, X 10. 



Fig. 98. Alpheus leviusculus Dana, frontal and antennal region of the ova-bearing female from Stat. 250, 

 X 15; 98« and 98(5 large cheliped of this female viewed from the outer respectively the inner 

 side, \; 10. 



Fig. 99. Alpheus microrhynclms de Man, frontal part of the carapace, X 4; 99'^ telson, X 4- 



Fig. 100. Alpheus Audouini Cout., frontal and antennal region of a female, long 28 mm., from Stat. 181, 

 X 8; lOOrt large chela of this female, X 6; loob the same viewed from above, X 6. 



Fig. lOi. Alpheus pareuchirus Cout., large chela of the adult male from Stat. 99, outer side, X lO; lOirt the 

 same, inner side, X lO; \0\b small chela of this male, outer side, X lO; lOic the same viewed 

 from the upper side, X 10. 



Fig. 102. Alpheus pareuchirus Cout. var. Leucothea de Man, large chela, outer side, of an adult male, long 

 17 mm., from Stat. 49a, X lO; \02a the same chela, inner side, X 10; \02b small chela of 

 this male, outer side, X lO; 102 f this chela looked at from above, X lO; 102^/ leg of the 

 2Qd pair of this male, X 10 ; 102^' leg of the i^^ pair of this male, X lO; 102/ small chela, 

 outer side, of the female, long 18,5 mm., from Stat. 96, X 9- 



Fig. 103. Alpheus Icptochiroides de Man, frontal and antennal region of the male from Stat. 260, X 25; 

 103^ large chela, outer side, X 15 ; 103/' small chela, viewed from the upper side, X 15- 



Fig. 104. Alpheus Polyxo de Man, frontal and antennal region, X lO; 104^ telson, X lO; \Od,b small 

 cheliped, outer side, X 8; 104^ small chela, upper side, X 8; 104;/ leg of the 2nd pair, X 7^\^\ 

 104^ leg of the 3id pair, X 7^\-i\ 104/ dactylus of this leg, X 25. (All the figures are taken 

 from the male). 



Fig. 105. Alpheus malabariais (Fabr.) Henderson var. leptopus de Man, frontal and antennal region of the 

 ova-bearing female from Stat. 19, X S'/j; 105^ and \o^b large and small cheliped of this 

 female, outer side, X 10 ; 105^ leg of the 3id pair of this female, X 10. 



Fig. 105 rt'. Alpheus malabariais (Fabr.) Henderson var. dolichodactylus Ortm., frontal and antennal region 

 of the female with eggs, long 34 mm., from Sagami Bay, Japan (N° 6 of the Tables of mea- 

 surements), X 10 ; 105 r, large cheliped, inner side, of the adult male from Sagami Bay, Japan 

 (N° 5 of the Tables of measurements), X 5; 105/ small cheliped of the female, outer side, X 7' 

 iOt,g leg of the 3'd pair of the female, X 9'/2- 



Fig. 106. Alpheus parvirostris Dana, frontal and antennal region of the ova-bearing female from Stat. 91, 

 X lO; \o6a small cheliped, outer side, of the male from Stat. 93, X 20. 



Fig. 107. Alpheus edamensis de Man, frontal and antennal region of the adult male from Stat. 78, X 8; 

 107^ telson of this specimen, X 8; lojb large cheliped of this male, outer side, X 4- 



Fig. 108. Alpheus sp., telson of the female from Stat. 33, X 25; io8rt telson of a female of equal size of 

 Alpheus parvirostris Dana from Stat. 91, X 25. 



