122 PROCEEDINGS OF THE ACADEMY OF [1893. 



Astacus earcinus Fabricius, 1793. 

 Bithynis earcinus Sp. Bate, 1887. 



Habitat. Indo-Pacific region. 



347. (Id) Bombay. Guerin Collection (mss. type of P. whitei 



Guerin.) 

 358. (Id) Hoogley River, India. Dr. Harlan. 



P. faustinus Saussure, 1858. 



Habitat. Rivers of the West Indian region. 



122. (6a) Vera Cruz, Mexico. No donor's name. 



P. fluviatilis Streets, 1871 (No. 114 type). 



Habitat. Rivers of Mexico. 



114. (2a) Tehauntepec. No donor's name (Streets' type). 



P. gracilimanus Randall, 1839 (No. 125 type). 



Habitat. Sandwich Islands. 



125. (la) Sandwich Islands. Nuttall and Townsend (Randall's 

 type). 

 P. grandimanuh Randall, 1839 (No. 123 type). 



Bithynis grandimanus Sp. Bate, 1887. 



Habitat. Sandwich Islands. 



123. (2a) Sandwich Islands. J. K. Townsend (Randall's type). 



P. hirtimanus Olivier, 1811. 

 P. latimanus De Man, 1887. 

 Bithynis hirtimanus Sp. Bate, 1887. 



Habitat. Indo-Pacific region. 



99. (2a) Mauritius. Guerin Collection. 



P. jamaicensis Olivier, 1811. 



Astacus fluviatilis Sloane, 1725, (not binominal). 



P. carcmwsLeach, 1815. 



P. brachydactylus Wiegmann, 1836. 



P.punctatus Randall, 1839 (No. 90 type). 



P. aztecus Saussure, 1858. 



Macrobrachium americanum Sp. Bate, 1868. 



Bithynis jamaicensis Sp. Bate, 1887. 



Habitat. West Indies. 



90. (la) No locality. No donor's name (Randall's type of P. 

 punctatus). 



91. (7a) St. Martin, West Indies. Dr. J. Van Rijgersma. 



92. (la) Cuba, West Indies. Dr. T. B. Wilson. 



93. (la) Guatemala. W. S. Vaux. 



