104 rORCELLANA CARINIPES. 



marked articulation of the mobile fiuger; the spines on 

 the upper margin of the right hand and the articulation 

 of its mobile finger being also of a light bluish colour, 

 but the ends of the fingers are quite white. The basal 

 half of the penultimate joints of the two ambulatory legs 

 is rose-coloured , the distal half white , and the basal half 

 of the tarsi is marked with the characteristic violet cinct- 

 ure, the distal part being again white: finally the claws 

 are black. 



The length of the whole cephalothorax of our specimen 

 measures nearly 10 mm., the width of the frontal margin 

 4 mm., the length of the eye-peduncles 5 mm., the length 

 of the larger hand (fingers included) 9 mm., its height é^/g 

 mm., mm. near the articulation of the mobile finger. 



Porcellana boscii Aud. 



A single female specimen. The carapace and the am- 

 bulatory legs are of a light yellowish reddish colour, the 

 chelipedes of a beautiful rose-colour: the whole upper sur- 

 face of the animal is spotted with numerous dark red 

 spots, which are somewhat more intensely-coloured on the 

 chelipedes. Anterior margin of the carpopodite armed 

 with four teeth. 



Porcellana carinipes Heller. 



Heller, Beitrage zur Crustaceen-Fauna des rothen Mee- 

 res, in: Sitzungsber. Kais. Akad. der Wissensch. XLIV. 

 Band, pag. 257, taf. H, fig. 5. 



A very fine female specimen was collected. Though it 

 wholly agrees with the quoted description, it may be al- 

 lowed to add a few particulars. — In our specimen 

 the whole upper surface of the carapace, except 

 the cardiacal and intestinal regions, is covered with short 

 transverse rugose lines , which are provided anteriorly with 

 very short hairs as in the preceding species, and the car- 

 Note» Irom the Leyden Museum, Vol. III. 



