164 



3- External orbital angle prominent, spiniforni 4 



External orbital angle not prominent, at most rectangular . 6 



4. Two sharp spinules behind external orbital angle. Meropo- 



dites of walking legs without spines L. bcaiuiiontü Alcock ') 



Meropodites of walking legs armed with a row of spines, 

 save in the last pair of legs (or with a single spine) . . 5 



5. Two spinules behind external orbital angle. Anterior margin 



of meropodites with several spines L. aranca n. sp. 



One very large spine behind external orbital angle. Cara- 

 pace nearly exactly quadrate, front deeply bilobed in 

 dorsal view. Anterior margin of meropodites with only 

 one subdistal spine L. kiiigslcyi Miers '") 



6. One spine behind external orbital angle L. bispinosa Kinahan ^) 



Two spines or depressed lobes behind external orbital angle, 



sometimes foliowed by a minute third one 7 



7. Teeth of antero-lateral margins of carapace blunt. Greatest 



breadth of carapace about 1Y2 times its length, the latter 



equal to width of fronto-orbital border L. sctosa (A. Milne-Edwards) 



Teeth of antero-lateral margins of carapace spiniform. Greatest 

 breadth of carapace always less than i^o times its length 8 



8. Outer surface of palm of cheliped with longitudinal rows of 



large, pearly granules ; a tuft of short hairs between bases 

 of fingers. Width of fronto-orbital border equal to length 



of carapace L. sculptiiuana n. sp. 



Outer surface of palm of cheliped smooth and glossy or with 

 rather irregularly-arranged small granules beneath a short 

 and dense fur; gap of fingers without hairs. Width of 

 fronto-orbital border exceeding length of carapace. . . 9 



9. Antennae and some markings on the carapace (viz. : a horse- 



shoe shaped figure behind the front and some large spots 

 on the epistome, the subhepatic and subbranchial regions) 

 of a dark sepia-brown. Anterior margin of meropodites of 



walking legs with one or two spines L. qiiadrispinosa Zehntner 



Antennae and carapace not coloured. Anterior margin of 



meropodites of walking legs wholly unarmed . . . . L. affliiis n. sp. 

 10. Antero-lateral margins of carapace passing with an obtuse 



i) Jouvn. As. Soc. Bengal, v. 69, prt 2, 1900, p. 315. Hab. Andamans and Ceylon. 



2) Rep. "Challenger", Brachyura, 1S86, p. 232, pi. 21, f. i; DOFLEIN, Wiss. Eig. "Valdivia", Bd 6, Brachyuia, 1904, p. 121 ; 

 Stebeing, .•\nn. S. .\fr. Museum, v. 6, pvt 4, 1910, p. 314. Hab. Agulhas Bank, near Cape of Good Hope. 



3) Literature: Mc Culloch, Ree. Austval. Mus., v. 9, n» 3, 1913, p. 323, textfig. 42. Hab. coasts of .A.ustralia (except perhaps 

 the north coast), Tasmania and probably New Zealand (JBrachygrapsus laevis Kingsley). 



16 



