MARINE MOLLUSGCA. 609 
121. Murex (Ocinebra) submissus, n. sp. (Pl. XXXV. fig. 13). XII. 
Testa minima, ovata, rimata, supra acuminata, albida, lineis interruptis nigro-fuscis cincta ; 
anfractus 64, superiores tres laeves, convexi, caeteri supra concave declives, costis longitudinalibus 
octo et liris spiralibus supra costas elatis (in anfr. penult. 2, in ultimo 8—9) instructi, incrementi 
lineis tenuissimis striati, ultimus in medio convexiusculus, antice contractus; apertura intus flayescens f 
labrum extra incrassatum, intus liris brevibus sex haud ad marginem productis munitum; columella 
sinuosa, callo tenui reflexo flavescente induta, in medio prominens, tuberculis parvis 3—4 munita; 
canalis anterior obliquus, recurvus. 
Longit. 8}mm., diam. 5. 
The dark brown transverse lines, about six or seven upon the last whorl, are interrupted 
between the costae, and falling upon the raised lirae, the ribs appear to be crossed by coloured 
tubercles. 
The costae are a little oblique and continuous up the spire. The smooth protoconch is marked 
off from the first normal whorl by a slender varix or thickened lip of its last whorl. The three 
whorls of which it consists have a yellowish margination beneath the suture. 
122. Purpura armigera, Lamarck, 37, ///. IX. 
123. Purpura bitubercularis, Lamarck, 37,777. IX. 
124. Purpura hippocastanum, Lamarck, 37,///. XI, XV. 
125. Purpura pica, Blainville, 37, 7/7. IX. 
126. LIopas situla, Reeve (Buccinum situla, Reeve, 37, 77/.) IX. 
127. LIopas sertum, Bruguitre (Buccinwm sertoum, Reeve, 37,///.) I. 
128, Sistrum digitatum, Lamarck (var. Jlobatum, Blainville; Ricinula digitata, Reeve, 
37,/11.) IX. 
129. Sistrum horridum, Lamarck (Hicinula horrida, Reeve, 37,Z//.) I, IX. 
130. Sistrum ricinus, Linn. (Ricinula arachnoides, Reeve, 37, 7/1.) I, IX, XI, XV. 
131. Sistrum tuberculatum, Blainville (Ricinula tuberculata, Reeve, 37,I/I.) IX. 
132. Sistrum undatum, Chemnitz (Ricinula fiscellum, Reeve, 37,111.  Sistrum undatum, 
partim, Tryon, 41,//.) VIII, X, XV. 
133. Sistrum elatum, Blainville (Ricinula spectrum, Reeve, 37,777.) II, IX, XI. 
In the two fresh specimens obtained, the labrum is white, but the interior of the aperture is 
yellowish. 
134. Sistrum spinosum, A. Adams (Licinula chrysostoma, partim, Reeve, 37, 7/7. Ricinula 
biconica, partim, Tryon, 41, //.) XIII. 
Messrs H. and A. Adams (Genera Recent Mollusca, vol. 1. p. 130) recognised that Reeve had 
wrongly identified the Aicinula chrysostoma of Deshayes and imposed the name of spinosws upon 
the misunderstood species. The term spinosus is applicable to fig. 126 rather than to 12a, which 
represents the Ricinula biconica of Blainville. I think therefore the species spinosws should be 
restricted to the figure 126. Whether it is conspecific with S. biconicwm has yet to be proved. 
Although united by Tryon, at present I am inclined to consider them sufficiently distinct. 
