368 



Dr. W. T. Caiman on 



with sides expanded in the lower part to four to five times 

 their depth in the upper part (as against about three times in 

 the figure of M. subcarinatuni), transverse width of upper 

 part (in large specimens) about one-third of that of basal 

 margin ; basal margin, as seen from the side, equal to or 

 slightly longer or shorter than that of scutum. Inner septum 

 with upper edge concave but not distinctly bilobed, not pro- 

 jecting when the detached carina is seen from the side. 



Peduncle very short, its diameter much less than that of 



Fte. 3. 



Megalasma (Glyptelasma) orientate, sp. n., holotype. 



A. Lateral view. B. Basal angle of scutum, inner surface. 

 C. Carina, inner surface. 



the peduncular orifice, and attached some distance above the 

 basal margins of scuta and carina. 



A pair of long tapering filamentary appendages are attached 

 side by side on the anterior part of the dorsal surface of the 

 prosoma. A short finger-like appendage is placed close to 

 the base of the first cirrus. Rami of first cirrus with 9 and 

 11 segments respectively. Caudal appendages very short 

 stumps, with a few apical seta?. 



