22 Dr. Smith's Contributions to the 



inch. When dried it loses the brown color and appears of a 

 dusky dull white, the false feet are then reddish hiown. Fouud 

 upon the pectoral fius of the hump-backed whale.* 



Ctamus Latrcilleii. 



C. aibua aut sordido albus; pedibas imperfectis rubro-brun- 

 neis. 



Color white or dusky white, with, in some specimens, a shade 

 of dull brown along the centre of the buck ; false feet reddish 

 brown. Length from an inch to an inch'and a half. Found 

 upon the common South Sea whale. f When dried it has al- 

 most the same color as when alive, the white only being a little 

 clearer. 



Note.— Besides (he differences in the color and habitat of the two 

 species just described, various other discrepancies are observable upon 

 closely examining and comparing specimens ot both species, most of 

 which, however, are almost indescribable The lateral projections at 

 the base of the head in Cyamus Leachii are somewhat quadrangular,- 

 and even with the head ; la Cyamus Latnjillcii tbey arc sloped off In-fore 

 and partially separated from the head by a deep longitudinal narrow 

 groove. In the first species the seginenls of the antenna somewhat re. 

 semble flattened cylinders, in the last they arc compressed or even 



concave. 



Class. MYRIAPODA. 



Ordo. CHILOGNATHA. 



Fam. ANGUIFORMIA. 



Genus, JULUS. 



Julus dorsalis. 



J. svpra brunneombtr; linca dorsali nigra; par libus infer io- 

 ribus laleruvi el ventre ruhro-lrunneis ; pedibus et anlennis 

 subrubris. 



Male. — Head plate notched in front with a slight longitudi- 

 nal furrow extending from the centre of the notch half-way 

 across the segment, the notch itself finely dentated ; eyes in 

 somewhat quadrangular clusters; segments of body about 44; 

 legs 83 pairs. Color of back and upper part of sides bright 

 brownish red, with a narrow longitudinal black band along the 

 centre of the form/ r; lower part of side* and belly pale reddish 

 brown, legs and antennae reddish or reddish brown. Length 

 about two inches. 



Female. — Colors as in the male, with the exception of the 

 head and anal flips, which are generally light brownish red ; 



* UftUenpptera Auntralis. Smith. 

 t Dolena Auitrklii. Olivier, 



