On the Follicle-cells in Sal pa. 89 



The subject might have been discussed at great length, but 

 fortunately Linnaeus himself already (1758) has decided in 

 favour of the type specimen, as he, in putting the letters 

 " M. L. U.j" signifying " Museum LudovicEe Ulrica," after 

 the diagnosis, refers to that specimen, although it was not 

 described before 1764. Thus there can be no doubts in this 

 case. In 1895, when publishing his ' Revision der Taran- 

 tuliden,' Kra3pelin was informed by letters from Carl Auri- 

 villius to which species ^^ Phalangium reniforme^^ belonged. 

 He was thus enabled to give the synonyms in that work as 

 follows : — 



Tarantula reniformis (Linnaeus). 



= Tarantula lunata, Fabr. 

 = Phrynus ceylonicus, C. L. Kocli. 

 = P/iri/)ius scaber, Gerv. 

 :=P/iri/nichics reniformis, Karsch. 

 = PhryniHCus Deflersi, Simon. 

 =^Phrynichus Jayakari, Pocock. 



According to Kraepelin * this species Tarantula reniformis 

 (Linn.) embraces several forms to which, by different authors, 

 have been given several different names. To judge from the 

 descriptions and from the table given by Pocock, the Linnean 

 specimen most closely agrees with " Ph. Deflersi,''^ Simon. 



As a curious fact, it raiglit be mentioned that Thunberg re- 

 tained the Linnean name on the label belonging to the ' Mus, 

 Lud. Ulr. Heg.,' but to a specimen of the same kind belonging 

 to his own " donatio " he gave the name " lunatum,^^ while he 

 named two specimens of Neophrynus jyalmatus (Herbst), 

 Kvsepelin, remforrne. Li this, I suppose, he was influenced 

 by the descriptions given by Fabricius in his vvork ' Ento- 

 mologia Systematica,' t. ii. pp. 432 and 433, where the name 

 " reniformis " is used for a short-armed and " lunata " for a 

 long- armed form. 



XL — The FollicIe-ceUs in Salpa. 

 By MaYNARD M. METCALPf. 



Through the courtesy of Professor Brooks, of the Johns 

 Hopkins University, I have been enabled to examine a 

 number of finely preserved embryos of several species of 

 Salpa, and I desire, after briefly referring to certain points in 



* Abh. aus d. Geb. d. naturwiss. Bd. xiii. (Hamburg, 1895). 

 t From the * Johns Hopkins University Circulars,' November 1897, 

 pp. 3-5. 



