﻿122 SMITHSONIAN MISCELLANEOUS COLLECTIONS [VOL. 47 



ning with Murex tritonis Linne, and covering also a number of the 

 ranelliform Tritons and at least one Ranclla (R. candisata Ch.). 

 Following this, Bursa is proposed, as previously noted, for the true 

 Ranellas, and is followed by Cymatium, 1 beginning with Murex 

 / V morale Linne, and including several other species with a long canal. 

 Lastly Cabestana Bolten is proposed for species with a short canal, 

 strong spiral ridges, and rather stout whorls, beginning w>"h Murex 

 cutaceus Linne, and including Triton doliarium, Purpura trochlea, 

 and Ocinebra erinacea Lamarck. The related genus Distorsio is pro- 

 posed by Bolten for two groups: (i) Caudatce, containing Murex 

 anus Gmelin, and its allies; and, (2) Truncates, including Nassas of 

 the group of N . arcularia. 



Link in 1807, has only three groups : Tritonium which is practically 

 identical with Tritonium Bolten ; Distortrix which is equivalent to 

 the first section of Distorsio Bolten, thus leaving the Nassas to bear 

 Bolten's name; and Gyrineum which is equivalent to Bursa Bolten, 

 + the ranelliform Tritons. Murex gyrinus Linne, for which the 

 name Gyrineum must be reserved; Ranclla tuberculata Broderip, 

 and R. ranina Lamarck, are cited from Martini's plates. I may 

 mention here that the work of Link appears to have been known to 

 Lamarck, who adopts at least one of his genera, and to have been 

 somewhat more widely distributed than I had been led to believe 

 when I printed my remarks upon it in 1876 and 1889. 



The next author to concern himself with the divisions of this group 

 was Denys de Montfort, the second volume of whose " Conchyli- 

 ologie " appeared in 1810 (not 1808 as cited by Kesteven). As he 

 cites and figures but one species in each case, but little question can 

 arise as to the identity of the type. Besides Apollon, which has 

 already been discussed, he proposed Aquillus for Murex cutaceus 

 Linne {-=Cabestana Bolten); Lotorium for Murex " Lotorium 

 Linne," but the species which he figures is M. femoral is Linne (as 

 both belong to the same section of the genus, this does not matter 

 much, and the group is identical with Cymatium Bolten) ; and, 

 lastly, Triton, for Murex tritonis Linne, with which, like most 

 authors of his time, he confuses several species ; the one he actually 

 figures being Triton australe var. /? of Reeve, coming, as Montfort 

 states, from New Zealand. The name Triton having already been 

 used genetically by Linne and Laurenti, for other animals, is not 

 available. Tn 1811 Perry published his Conchology, in which a 

 number of new names are proposed, but no types selected. The 



1 Nol Cymatium Link, 1807, which is a compound of Latirus ( polygonus 

 and lineatus Lamarck and craticulatus Gmelin) and Vasum capitellum Linne. 



