68 NOTES ON THE MADRAS SPECIES OF MATUTA. 
apparently M. maculata, Miers, and M. granulosa, Miers. In 
the former, the dorsal tubercles are almost obsolete, the 
lateral spine is very long, and the front is either slightly 
rounded, or shows but slight emargination ; in the latter, 
the carapace is coarsely granulated, the two anterior dorsal 
tubercles are wanting, and a thin ridge is present on the 
mobile finger of the male. The markings on the carapace 
bear some resemblance to those of M. Picta, Hess, (as figured 
by Miers), but many sufficiently obvious characters separate it 
from this species. 
Habitat. — -Madras, in shallow water. Less common than 
M. victrix, or M. lunar is. 
Explanation of the Plate. 
Fig. 1. Matuta Miersii, n. sp. (nat. size). 
Fig. 2. Outer view of hand of the same. 
Fig. >i. Abdomen of the same (male) . 
Fig. 4. Abdomen of the same (female). 
Fig. 5. Young specimen of Matuta vidrix (nat. size). 
Fig. 6. Young specimen of Matuta lunaris (nat. size). 
