310 LEPIDOMENIA-DENTALIUM. 



The name Lepidomenia was first used by Kowalevski in 1881 

 or 1883 in connection with Neomenia coralliophila and a Marseilles 

 form supposed to be specifically the same as coralliophila, but ap- 

 parently identical with what was subsequently described as L. hys- 

 trix. Simroth has chosen to restrict Lepidomenia to the later de- 

 scribed species, although the record would incline one to choose N. 

 coralliophila as the type. 



L. HYSTRIX Kowalevski & Marion. PI. 48, figs. 99, 1-4. 



Body yellowish ; length a little over 2 mill. ; section circular, 

 tapering toward the posterior end ; apparently covered with scales, 

 but they are hyaline spicules, broad, and in juxtaposition at the base, 

 with long projecting points (fig. 4). Salivary glands voluminous ; 

 radula biserial. A caudal sense-pit, surrounded by finer spicules. 



Gulf of Marseilles, in calyx of the coral Balanopliylla italica, in 

 30 fms. 



Lepidomenia hystrix K. & M., Organisation du Lepidomenia hys- 

 trix, nouveau type de Solenogastre, Comptes Rendus, ciii, pp. 757- 

 759 (1887). See also Q. Journ. Roy. Micros. Soc., 1887, p. 218; 

 Ann. Mus. d'Hist. Nat. Marseille, iii, p. 7-25, pi. 1, 2. PRUVOT, 

 1. c., p. 730. SIMROTH, I. c., p. 233, pi. 10, f. 1-10. 



The " second specimen " from Marseilles commented on in the 

 description of Echinomenia coralliophila seems to be L. hystrix, so 

 far as I can see from the decidedly confused literature. 



ADDENDA. 



DENTALIUM ATRAMENTUM Schluter, Kurzgefasstes System atisches 

 Verzeichniss meiner Conchylien-Sammlung, 1838, p. 39. Name 

 only ; fossil. 



DENTALIUM MINIMUM Eth. & Bell, Trans. Roy. Geol. Soc. Corn- 

 wall, 1897, XII, p. 156 (1898). 



Pliocene ; St. Erth, Cornwall. 



The name is preoccupied ; but as this is probably not a valid 

 species, it need not be renamed. 



DENTALIUM GRANOSUM Eichw. (p. 230). This Lower Silurian 

 species is probably to be removed from the Scaphopoda. Koken 

 writes : the structure of these tubes is wholly diverse from that of a 



