SUPPLEMENT. 193 



E. Loffoden I., 300 f. (Sars). The specific names riigosa and 

 arctica bear the same date of publication ; but the former is 

 the one most generally known. S. antarctica, Philippi. 



P. 90, 1. 12 from top, for '' Retz " r. " Philippson " ; the 

 reason given for changing the name to Choena is because 

 Gastrochcena "aures nostras singular! modo offendit" ! 



P. 91. — GiSTEocHiENA DUBiA. F. Vienna basiu (Homes) I ; 

 Rhodes and Algiers (Deshayes). 



P. 104. — PnoLAS DACTYLTJS. F. Killiuey (Walpole) ! ; Us- 

 tica I. (Calcara). Costa says that it is very phosphorescent, 

 and that, if its flesh is chewed and kept in the mouth, the 

 breath becomes luminous and looks like a real flame. 



P. 107. — P.CANDIDA. F. Macclesfield (Darbishire) ; Selsea 

 (A. Bell) ! 



P. 109.— P. PARVA. F. Red Crag (coU. S. Wood, and A. 

 Bell) ! ; Belgium (IS'yst). E. Bay of Biscay (Ferussac and 

 others) ! P. callosa, Lam., ex typ. ! 



P. 112. — P. CRISP ATA. Hayle (Hockin). F. New England 

 (Verrill and Packard) ; Philippi has since referred his F. 

 vihonensis to Pholadidea papyracea. E. N. Japan (Schrenck). 



P. 116. — PnoLADiDEA PAPYRACEA. Falmouth (Hockin); 

 Woodside, Lancashire (CoUingwood). F. Edeghem in Bel- 

 gium (Nyst) ! E. Arcachon (Lafont) ! 



P. 120. — Xylophaga dorsalis. Many additional localities 

 on every part of our coasts. F. Vienna basin (Homes) ! E, 

 Kattegat, Bay of Biscay, Mediterranean, and Adriatic ! 



P. 121. — In a paper by C. W. Siemens, C.E. (Brit. Assoc. 

 Rep. 1865, p. 187) it is stated that the hemp had " engendered 

 millions of small marine insects of a pecuhar kind " (the Xy- 

 lophaga ! ), and that the deep-sea cable for the Toulon and 

 Algiers line had been destroyed in the same way. 



P. 124, 1. 3 from top, after " Germans " add " ' tremadskr ' 

 of th(^ Icelanders, ' ja3gte-orm ' or ". 



P. 168. — Teredo Noeyegica. F. Bordeaux beds, Switzer- 

 land, and Vienna basin (Homes) ; Norway (Sars). E. Med. 

 and Adr. ! Eaten at Venice, and called " bisse dei legni,'" 

 G. V. Martens. The sheath is Septaria Mediterrayiea of Risso. 



VOL. V. K 



