MARINE CRUSTACEANS. 



437 



Fig. 115. Tlos latus ; a. whole animal, b. outside of band. 



Genus Tlos Ad. and Wh., 1850. 



8. Tlos latus n. sp. (Fig. 115). 



Diagnosis: "A Tlos with the carapace broad and finely granulated all over, roughened 

 by small pits and minute linear grooves 

 among the granules; in the hinder part a 

 mound, consisting of two large humps, one 

 on each side of the cardiac region, and 

 the latter region itself somewhat swollen, 

 and connected with the front by a broad 

 ridge, on each side of which is a deep 

 pit ; the front well developed, notched at 

 the tip, not quite hiding the eyes ; the 

 anterolateral edge with one peak, the pos- 

 terolateral irregular; the chelipeds about a 

 third longer than the carapace in the 

 female, irregularly nodular all over; 'the 

 walking-legs short and nodular." 



Length : 6 mm. Breadth : 9 mm. 

 Colour in spirit, white. 



Taken at Hulule, Male Atoll, and 

 dredged in 35 fathoms in North Male 

 Atoll. 



Genus Ebalia Leach, 1817. 



9. Ebalia erosa (A. M.-Edw.), 1873. Alcock, ii. p. 189. 

 Taken in Minikoi lagoon down to 9 fathoms and in Fadifolu Atoll in 22 fathoms. 



10. Ebalia maldiveiisis n. sp. 



(Fig. 116). 



Diagnosis : " An Ebalia with the 

 carapace somewhat broader than long ; 

 the front prominent, rather deeply 

 bilobed ; the anterolateral edge with 

 three projections, of which the hinder- 

 most is the smallest ; the middle 

 region of the carapace raised above 

 the rest, bearing a large mound in 

 the hinder part and a horseshoe of 

 8 smaller mounds in front, the smaller 

 mounds varying greatly in distinctness 

 in different specimens; the hind edge 

 evenly arched ; the body and limbs 

 granular all over; the chelipeds of 

 simple shape, without thorns or teeth, 

 the fingers slender, grooved, as long 

 as the somewhat swollen palm." 



Fig. 116. Ebalia maldivensis ; a. whole animal, 6. outside of hand. 



56—2 



