igig.] S. Kemp : Notes on Crustacea Decapoda. 327 



References prior to 1900 are given by Alcock, who records the 

 species from the Andamans and the Coromandel coast. Addi- 

 tional specimens are from the following localities : — 



^fo- Vasco da Gama Bay, Mor- S. Kemp ; Aug., Sept., Thirty, 

 mugao Bay, Portuguese igi6. 



India. 



^%^ Bay N. W. of Nazareth Pt., do. Six. 



Mormugao Bay, Portu- 

 guese India. 



^\%^ Tuticorin, S. India. J. Horncll ; Feb., igiS. Twent)-four. 



^f§^ Pamban backwater, Raninad S. Kemp ; Feb , 1913. Seven, 

 dist., S. India. 



^f^i Ennur backwater, nr. Madras. N. Annandale ; Oct., One (ovig,). 



1913- 

 ^fg^ Outer channel of Chilka Lake, Chilka Survey, March, One. 



Orissa. 1914. 



^^%^ Maungma-gan, Tavoy, Bur- J. Coggin Brown. Five. 



ma. 

 ^1%^ Paway (Pawe) I., Mergui ' In\estigator,' Feb., Four. 



Archipelago. 19I4' 



9^s7 Port Blair, Andamans. R. P. Mullins ; June. Seven. 



1918. 



In the first of these localities the species was exceedingly- 

 abundant on sandy ground with a small admixture of mud. The 

 colonies occupied extensive tracts near low-water mark ; the bur- 

 rows were very closely packed together and the whole surface of the 

 sand was covered with pellets to a depth of nearly an inch. It is 

 perhaps due to this overcrowding that the specimens are decidedl}^ 

 smaller than usual, none exceeding 6"5 mm. in length of carapace. 

 With the species, but in isolated burrows near high- water mark, 

 was found Scopimera proxima and Mr. Hornell found the two formr> 

 associated in the same way at Tuticorin 



Dotilla niyctiroidcs is frequently found in places where the 

 water is brackish. Dr. Annandale found an ovigerous female in 

 such a situation at Ennur and, at the time specimens were taken, 

 the specific gravity of the water in Vasco da Gama Bay was i'oi65 

 (corrected). 



The species has been recorded from Mahe (Milne-Edwards),' 

 Rameswaram I., Tuticorin and Ennur (Henderson), Singapore 

 (Walker, Manchester), Java (Brit. Mus., fide Henderson), Gaspar 

 Straits (Stimpson) and Billiton I. and Mindanao (Aurivillius). 

 Henderson gives " Seychelles (Miers)," but I have not succeeded in 

 tracing the record. 



Dotilla fencstrata, Hilgendorf. 



1843. Doto sitlcatus, Krauss, Stuiafrik. -Crust., p. 39 (Stuttgart). 



1869. Dotilla fenestvnta, Hilgendorf, in von der Decken's Reisen Ust.- 



Afrikn III, p. 85, pi. iii, figs. 5, 5^,f. 

 1879. Dotilla foiestrata, Hilgendorf, Monatsb. K. Preuss. Akad. Wiss., 



1878, p. 806. 

 1884. Dotilla fenestrata, Miers, Zool. H.M.S. 'Alert,' p. 543. 

 1893. Dotilla fenestrata, AnnwWWus, Nov. Act. Reg. Sac. Sci. Upsala, ser. 



Ill, p. 12, pi. i, figs. 14, 15. 



' Presumably the Mahe on the Malabar coast. 



