MARINE WOOD-BORING ANIMALS. 



393: 



Locality. — Simon's Town, South Africa. Specimens forwarded 

 by Lieut. L. H. A. Sliadwel], R.N.7.R., Officer in charge of 

 Works, H.M. Dockyard. From Blue Gmii timber, Ordnance 

 Jetty, E yard ; from Pitch Pine, Old Ordnance Jetty, E yard ; 

 and from creosoted Danzig, A, No. 3 slip. 



Remarks. — Teredo navalis and T. 'peclicellata have both been 

 recorded by Gatliff and Gabriel from Victoria, Init, so far as I 

 know, neither has been recorded from South Africa. 



Some of our South African specimens agree A^erv closely, as 

 regards the structure of the ]:)allets, with specimens from 

 Alderney in the Norman collection determined, apparently by 

 Gwyn Jeffreys, as T. jjedicellata. Jeftreys himself remarks that 



Text-figure 1. 



Teredo navalis Linn. 

 A. Siphons and associated structures in a specimen from the estuary of the- 

 Thames at Gravesend. The tleshy collar at the base of the siphons has 

 oeen divided and reflected, showing the insertion of the ri<;ht pallet from 

 the inner side. B. Pallet of a specin^en from Simon's Town. Actual 

 length ahout 5 mm. 



this is not a satisfactory species," and the identification of his 

 specimens with the form described by Quatrefages appears to 

 be largely conjectural. Quatrefages's description (Ann. Sci. Nat. 

 Zool. ser. 3, xi. 1849, p. 26) contains little to suggest it except 

 the statement that the pallets are colom-ed dark brown. In the 

 Alderney specimens and in some of those from South Africa 

 (text-fig. 1, B). the stalk of the pallets may be as long and less 

 than one-fourth as wide as the blade. The blade is flattened on 

 the inner and convex on the outer surface, with the basal half 

 calcified, white, and neai'ly opaque. The distal half is mostly 



