Ii6 Memoirs of the Indian Museum. [Vol,. IV, 



In the Atlantic this species has been recorded from Antigua, W. Indies (Stebbing) l 

 and the larva, Lysierichthus duvaucellii , Guérin, has been recorded by Hansen (1895) 

 from the vicinity of the Cape of Good Hope (32 30' S. , 15° o' E.). 



var. sulcirostris, nov. 

 Plate VIII, figs. 92, 93. 

 This variety differs from typical specimens in the following points : — ■ 



1. The rostrum is triangular, widest at the base, and is produced to a much sharper 



point than in typical L. maculata. In the anterior two-thirds there is on each 

 side a sharply-defined and deep groove running parallel to the lateral margin 

 (fig. 92). 



2. The dactylus of the single male specimen resembles that of typical male ma- 



culata, but has only eight teeth including the terminal one (fig. 93). 



3. The sixth abdominal somite is grooved as in the typical form, but much less 



distinctly, and the irregular wrinkling on either side is absent. 



The colour pattern is closely similar to that of L. maculata, but the dark trans- 

 verse bands are much narrower than in typical examples of the species. 



L. sulcirostris is perhaps specifically distinct from L. maculata, but its resemblance 

 to the latter form is so great that I hesitate to adopt such a course on the evidence of 

 a single specimen. 



^ Andaman Is. . . Homfray and Tytler. . . 1 <$ , 116 mm. 



Apparently found in company with a typical specimen of L. maculata. 



2. Lysiosquilla miersi, De Vis. 



1883. Lysiosquilla miersii, De Vis, Proc. I,inn. Soc. N.S.W., VII, p. 321. 

 1894. Lysiosquilla miersii, Bigelow, Proc. U.S. Nat. Mus., XVII, p. 504. 



De Vis' description of the only known specimen runs as follows : — 

 ' ' Carapace smooth, in the form of a truncate isosceles triangle, rounded at the 

 posterior lateral angles. Rostrum elongate, cordiform, acuminate, with a median ridge 

 on its produced limb. Exposed segments with irregular longitudinal wrinkles on the 

 dorsum, which is slightly depressed, the wrinkling and depression becoming more pro- 

 nounced posteriorly. An irregular semi-lunar depression on each segment near the lateral 

 line. Penultimate segment, narrow, deeply sculptured in a grotesque fashion. Telson 

 smooth, with a bold sagittate median ridge and four teeth on the lateral margin, of which 

 the anterior two are strong. Ten long sharp teeth on the dactyli of the raptorial limbs 

 including the terminal one, which near the tip is anteriorly dilated and presents a sharp 

 edge. All the teeth finely serrated on the posterior edge. Four long sharp teeth on 

 the propus, the posterior one moderately recurved. 



1 According to Stebbing's account the specimen from this locality differs from any Indo-pacific ex- 

 ample that I have seen in having the fifth pleon segment denticulate along the hind margin, the sixth 

 denticulate in an arched proximal band and round the distal margin, and the telson with three spines on 

 each side and the truncate portion cut into five square teeth on one side and six on the other side of a small 

 median emargination. 



