of tie Pontoniidas. 383 



14. Periclimenes americanus (Kingsley), 1878. 

 Anchistia americana, Kingsley, Proc. Ac. Nat. Sci. Philad. 1878. p. 96. 

 Florida. 



15. Periclimenes tenellus (S. I. Smith), 1882. 



Anchistia tenella, S. I. Smith, Bull. Mus. C. Z. Harv. x. p. 55, pi. ix. 

 figs. 1, 16(1882). 



North America, east coast. 



16. Periclimenes amhoinensis (de Man), 1887. 

 Anchistia amboinensis, de Man, Arch. Naturg. 53, i. p. 546 (1887). 



Amboina. 



17. Periclimenes Brochi (de Man), 1887. 

 Anchistia Brockii, de Man, Arch. Naturg. 53, i. p. 546 (1887). 

 Amboina. 



18. Periclimenes spinigerus (Ortmann), 1891. 



Anchistia spiniyera, Ortmann, Zool. Jahrb. v., Syst. p. 511, pi. xxxvi. 

 figs. 23, 23 a (1801). 



Samoa ; [Rotuma j Loyalty Islands] . 



19. Periclimenes vitiensis, sp. n. 



A Periclimenes with rostrum nearly as long as thicker 

 flagellum of first antenna, with 6 teeth above and 4 below; 

 supraorbital, antennal, hepatic spines present ; scale of second 

 antenna nearly equal to thick flagellum of first; merus of 

 second pair of legs with a spine below, slightly longer than 

 carpus, which bears a spine inside and exceeds the antennal 

 scales ; palm somewhat longer than carpus, fingers more 

 than half the length of palm. 



Length to end of rostrum 20 millim. 



[Fiji.] 



20. Periclimenes rotumanus, sp. n. 



A Periclimenes with rostrum barely longer than peduncle 

 of first antenna, almost straight, with 6 teeth above and 2 

 below; antennal and hepatic spines present; scale of second 

 antenna longer than rostrum, shorter than thick fhigellum of 

 first antenna ; carpus about as long as palm and with one 

 spine above ; merus with one spine below. 



Length 11 millim. 



[Rotuma.] 



