79 



occasionally occurs. In certain examples of Pcctiiuirin helj^icd 

 also the ventral lamina near the paleae is frilled and slightly 

 scalloped. 



This large and fine species was first described and figured as 

 Teredo cJirvsodoit by Bergius,* and subsequently noticed by the 

 sagacious Pallas, who examined many specimens procured at 

 the Cape of Good Hope by Vosmaer, and he mentions that 

 Rumphius discriminated the same form as a third spc'^ies — 

 " Penicilli marini," Pallas noticed the structure of the tube,, 

 which he experimented with in various ways, but did not make 

 out its nature. His familiarity with the European species 

 {Pcctinaria hcloicii, his varictas Rclgiai) makes his description 

 of considerable value, and he would seem to have observed the 

 difference between the smooth dorsal edge behind the paleje in 

 the European and the slightly scalloped one of the South 

 African. The general description which he gives, indeed, 

 does credit to his acuteness and accuracy, and his figures of 

 the annelid and its tube are recognizable, the former being 

 shown of its natural size. 



Ehlers includes Pcciiiuir'ui hclgica in his series from Magellan^ 

 so that much has yet to be done in the distribution of this, 

 species. 



Fam. TEREBELLID^. 

 SCHMARDANELLA PTEROCH^TA, Schmarda, 1 86 1. 



1861, Tcvcbclhi picrocluvtd, Schmarda, Neue wirb. Thiere I., 



II., p. 43. 

 li^S^. ScJiinanldiiflld ptcrocJuvta, Mcintosh, Annel. " Chal- 

 ^lenger,"p. 449, PI. Llll. fig. i, PI. XXVII. A. figs. 24-26. 

 1889. Lcpren ptcrocluvia, Marenzeller, Zool. Jahrb. III., p. 21 



(sep. abdr.j 



Obtained between tide marks at St. James', False Bay. 

 Schmarda simply states he found it at the Cape. It is probable 

 that he procured it in the same way as the naturalists of the 

 " Challenger," who collected it between tide-marks at Sea Point, 

 Cape Town. The specimens were scarcely so fine as those 

 procured by the " Challenger," but traces of the greyish or 

 olive-green pigment occurred on the dorsum. 



As shown in the " Challenger " Annelids this form agrees 

 with Nicolcd in having two branchiae, but instead of 15 pairs of 

 bristle-bundles it has 33. The bristles, moreover, are diagnostic, 



* Abhand. d. schwed. Akad. deutsch v. Kastner XXVII. p. 235, Taf. IX. 

 (tide Grube). 



