276 Kev. Canon A. M. Norman on Lepton squamosum. 



2. Bathynectes longipes (Risso). 



1816. Portunus longipes, Risso, Crust, de Nice, p. 30, pi. i. fig. 5. 

 1828. Portunus longipes, Roux, Crust, de la Medit. pi. iv. figs. 1, 2. 

 18-9. Portunus infractus, Otto, Nov. Act. Phys.-Med. Acad. C. L.-C. 



Nat. Cur. vol. xiv. p. 331, pi. xx. fig. 1. 

 1851. Portunus Dalyelli, Spence Bate, Ann. & Mag. Nat. Hist. vol. vii. 



p. 320, pi. vi. fig. 9. 

 1853. Portunus longipes, Bell, Brit. Stalk-eyed Crust, p. 361. 

 1885. Bathynectes longipes, Cams, Prod. Faunae Medit. p. 518. 



Frontal margin slightly four-lobed or merely waved, waves 

 four (representing the usual lobes), outer lobes or waves the 

 wider. First four antero-lateral teeth almost as in B. superba, 

 fifth not more than half as long again as the fourth. Trans- 

 verse ridge of carapace as in the typical species. Chelipeds 

 having the meros unarmed ; carpus simply scabrous and only 

 distally produced on the inner margin into a strongly developed 

 triangular process, terminating acutely, but this process 

 unarmed with lateral teeth ; hand having one distal tooth at 

 the extremity of the inner margin, but otherwise unarmed. 



British Localities. Polperro, Cornwall ; and Falmouth 

 (Mus. Norm.) ; Oxwich Bay, near Swansea (Bate) ; Banff 

 (? T. Edward, included in list of Crustacea at the end of his 

 ' Life ' ; but that list has many errors). 



Distribution. Naples, Zool. Stat. (Mus. Norm.), .Nice 

 (Targioni-Tozzetti), Genoa (Verany), Sicily (Vienna Mu- 

 seum), Adriatic (Grube, Heller, &c~), Black Sea (Ratkke). 



XXIX. — Lepton squamosum (Montagu), a Commensal. By 

 the Rev. Canon A. M. Nokman, M.A., D.C.L., F.R.S., 



&c. 



Lepton squamosum has always been regarded as a rare shell. 

 Although single valves are frequently dredged on various 

 parts of our coasts few cabinets can boast of a series of perfect 

 specimen-. 



In 1858 I procured a fine series of perfect though dead 

 specimens among heaps of Nullipore and sand which had 

 been dredged for manure and were lying on the shore at 

 Glengariff, in Ban try Bay. 1 had never, however, seen it 

 alive until I went to Salcombe, Devonshire, in 1875, for the 

 special purpose of looking for certain Invertebrata which 

 KLontagu had procured there. There I found Lepton squa- 



