1900.] EBOM SINGAPOBE AUD MALACCA.. 729 



Hah. Singapore ; dredged from 10-15 fms. Two males. One 

 of these shows the typical markings on the carapace and chelipedes ; 

 iu the other, the red stripes on the carapace are fainter and less 

 hroad, and the crimson colour of the chehpedes is absent. 



Dim. c? 5-5x5. d 5-5x5. 



23 a. Habrovia albolineata iongipes, var.nov. (Plate XLIV. 

 fig. 3.) 



Hah. Singapore. From a shoal of scattered stones and coral, 

 with sand in places, partially exposed at low-water. One male. 



In this specimen, the most striking feature is the length of the 

 chelipedes, which are three times as long as the carapace, and not 

 only twice as in H. albolineata. Further, the tubercles on the arm 

 and wrist are very minute ; and the two antero-lateral teeth are as 

 low and as broad as the post-ocular tooth ; the fourth is narrow 

 and pointed. 



Carapace raised but not tuberculate ; minutely punctate, when 

 seen through a lens, and of a diffuse dark red colour. Chelipedes 

 rough, or even slightly granular, and generally as in H. albolineata. 

 No tubercles on the ambulatory legs. 



Dim. 7-5x7. 



24. Haebovia tubebcclata Haswell. 



Harrovia tuherculata, Hasw. Proc. Linn. Soc. N. S. W. vol. iv. 

 p. 455, pi. xxvii. f. 1 (1880). 



Hab. Singapore. One female, taken from off the arms of a 

 Crinoid (Actinometra multiradiala) dredged from 6 fms. 



This species is very near H. albolineata, of which it is possibly 

 only a variety. I can discern the same arrangement of tubercles 

 on the carapace in one of my examples of H. albolineata, in which 

 the colouring is altogether' fainter than usual. In the other, 

 strongly coloured, individual the arrangement is not so obvious ; 

 but in no instance is it very distinct. 



The tubercles on the meri of the ambulatory legs seem to be the 

 only distinctive feature ; for, as regards the absence of colour- 

 markings, the two examples of H. albolineata show that a certain 

 variation occurs in this respect. Variation is also evident in the 

 tubercles of the arm : thus in the above examples of H. albolineata 

 I find :— 



A. A spine at the base of the posterior margin just where it 

 appears from beneath the carapace. In both arms of the one male 

 this is relatively strong and spiniform, and in the right arm of 

 the other male ; in the left arm of the other male it is small, 

 tubercular. 



B. A spine in a corresponding position on the anterior 

 margin. In the right arm of the one male this is single tuber- 

 culate, in the left arm bifid tuberculate. 



In the right arm of the other male this is bifid and spinous, in 

 the left it is only represented by a roughening of a granulous 

 nature. 



