8 CARCINOLOGICAL STUDIES. 



Prof. Milne Edwards enabled me to compare these spe- 

 cimens with the original individual , which has been figured 

 by the late Milne Edwards in the large illustrated edition 

 of Cuvier. As Miers already supposed , the frontal lobes 

 are not merely truncated , but slightly emarginated , and 

 they are separated by a triangular notch , which is more 

 distinct than in the figure of Cuvier. The upper surface 

 of the cephalothorax of the male from Samoa is marked 

 with five yellowish red spots, viz. one on the gastric, one 

 on each hepatic region , and one on the anterior part of 

 the areolae 5 L. The upper surface of the cephalothorax 

 of the female specimen appears slightly more rugose , and 

 the tubercles , with which the anterior legs are provided , 

 are a little more distinct and prominent than in the male. 

 The black colour of the fingers does not extend over the 

 palm, but in the male it extends over a distal part of the 

 inner and outer surface of it. 



The cephalothorax of the larger male from Timor pre- 

 sents the following dimensions: 



cT 

 Greatest width (distance between the penulti- 

 mate antero-lateral teeth) ^3^/2 mm. 



Length of the cephalothorax ^) 29 » 



Distance between the tips of the internal orbital 



angles llVg » 



This species has also been recorded from the Philippines 

 and from the North-eastern coasts of Australia. 



4. Etisodes frontalis Dana. 

 (PI. 1 , fig. 2). 



Etisodes frontalis, Dana, Proc. Acad. Nat. Sciences of Philadelphia , 

 4852, p. 77, and United States Expl. Exp. Crust. 1852, T. I , p. 

 187, PI. IX, fig. 3. 



1) The length of the cephalothorax is measured exactly in the dorsal median 

 line, from the base of the median frontal incision to the posterior margin. 



JVotes from the Leyden M.useutu, Vol. JiCllI. 



