REPORT ON THE ANOMURA. 55 



Length of body' 13 mm., of carapace 6'8 mm., of left chelipedc 15 mm., of first 

 ambulatory limb 18 "5 mm. 



The peculiar markings on the left hand at once distinguish Diogenes guttatus from 

 all other species of the genus. In some respects it approaches Diogenes rectimanus, Miers, 

 but in this latter the outer surface of the hand is granulated and pubescent, and the lower 

 border armed with strong sjMnules. 



Habitat. — Station 187, Torres Strait; depth, G fathoms; bottom, coral mud. A 

 single male specimen. 



Genus Pagurus, Fabricius. 



Parjums, Fabricius, Suppl. Ent. Syst., p. 411, 1798 {in pari). 



Milne-Edwards, Ann. d. Sci. Nat., ser. 2e, t. vi. p. 262, 1836 ; Hist. Nat. des Crust., 

 t. ii. p. 213, 1837 {in part). 

 „ De Haan, Crust. Japon., p. 202, 1850 {in parf). 

 „ Dana, U.S. Explor. Exped., vol. xiii., Crust., part i. p. 449, 1852. 

 „ Stimpson, Proc. Acad. Nat. Sci. Pbilad., p. 71, 1858. 

 „ HeUer, Crust, siidlicben Europa, p. 174, 1853. 

 „ Miers, Catal. New Zealand Crust., p. 65, 1876. 

 „ Haswell, Catal. Austral. Crust., p. 155, 1882. 

 ,, Henderson, Proc. Roy. Phys. Soc. Edin., vol. ix. jjart i. p. 67, 1886. 



Front without a distinct rostral projection. Ocular peduncles stout, frequently 

 constricted towards the middle, the basal scales of moderate size and usually separated 

 by a considerable interval. Antennal acicle short and robust, the flagellum long and 

 naked. Chelipedes rarely subequal, the left usually larger ; fingers moving in a vertical 

 plane, slightly excavated internally, and corneous at the tips. Penultimate pair of legs 

 chelate. 



Pagurus striatus, Latreille. 



Cancer arrosor, Herbst, Naturg. Krabben u. Krebse, t. ii. p. 170, Taf. xliii. fig. 1, 1796. 

 Pagurus strigosus, Bosc, Hist. Nat. des Crust., t. ii. p. 77, 1802. 



„ striatus, Latreille, Hist. Nat. des Crust, et Insect., t. vi. p. 163, 1802. 

 „ Olivier, Ency. Meth., t. viii. p. 643, 1811. 



„ „ Risso, Crust, de Nice, p. 54, 1816. 



„ „ Desmare-st, Consid. sur les Crust., p. 178, 1825. 



„ „ Roux, Crust, de la Medit., pi. x., 1828. 



„ „ Milne-Edwards, Ann. d. Sci. Nat., s6r. 2e, t. vi. p. 270, 1836; Hist. Nat. 



des Crust, t. ii. p. 218, 1837. 



„ „ Costa, Fauna del Regno di Napoli, p. 7, 1845. 



„ „ Lucas, Anim. art. de I'Alg^r. Crust., p. 29, 1849. 



„ „ De Haan, Crust. Japon., p. 206, tab. xlix. fig. 1, 1850. 



„ „ Stimpson, Proc. Acad. Nat. Sci. Philad., p. 84, 1858. 



' Measured from the apex of the rostrum or median point of the frontal margin to the apex of the telson. 



