— 3 7 4 — 



1869. Dacrydium vitreum Holbôll, Môrch, Catal. Moll. du Spitzberg in Mém. Soc. Malac. Belg. IV, 



p. 3o. 

 1870? — — „ — Aradas et Benoit, Conch. viv. mar. délia Sic, p. 89. 



,870? — — — Hidalgo, Mol. mar. Catal. Gen., p. 128. 



1870? Mytilus vitreus Holbôll, Jeffreys, Médit. Moll. in Ann. and Mag. of Nat. Hist. 4 lh Ser. VI, p. 68. 

 1872? — — — Monterosato, Notizie int. aile Conch. Médit., p. 18. 



1872? Dacrydium vitreum Holbôll, Monterosato, Not. Conch. foss. Monte Pellegrino e Ficarazzi, p. 22. 



1872. — — — Whiteaves, Dredg. around Anticosti in Ann. and Mag. of Nat. Hist. 



4 th Ser. X, p. 349. 



1873. — — — Weinkauff, Catal. Meeresconch., p. 61. 



1873. — — — Verrill, Dredg. Exp. N. Engl. in Amer. Journ. Se. a. Arts 3<* Ser. VI, 



p. 440. 



1873. — — — Wyville-Thomson, Depths of the Sea, p. 465. 



1874. — — — Verrill, Dredg. Exp. N. Engl. in Amer. Journ. Se. a. Arts 3<* Ser. VII, 



p. 412. 

 1875? Mytilus (Dacrydium) hyalinus Monterosato, Nuova Rivista, p. 10. 



1876. Dacrydium vitreum Holb., Jeffreys, « Valorous » Moll. in Ann. and Mag. of Nat. Hist. 4<i> Ser. 



XVIII, p. 429. 



1877. — — — Jeffreys, Adress Biol. Sect. Brit. Assoc, p. 2. 



1878. — — — G. O. Sars, Moll. Reg. Arct. Norv., p. 28, pi. 3, fig. 2», 2b. 

 1878. — — — Lèche, Novaja Semlja, p. J4. * 



1878. — — — Friele, Jan Mayen Moll., p. 2. 



1878. — — — Kobelt, Illustr. Conchylienbuch, p. 364, pi. io5, fig. 11. 



1879. — — — Friele, Catal. Spitzberg. Moll. in Jahrb. d. Malak. Ges. VI, p. 261. 

 187g. — — — Jeffreys, «Lightn.» and «Porcup.» Exp. in Proc. Zool. Soc. of Lond., 



p. 56 9 . 

 ,88o. — — — Jeffreys, Deep-sea Moll. of the Bay of Biscay in Ann. and Mag. of Nat. 



Hist. 5'h Ser. VI, p.3i5. 

 1881. — — — : Jeffreys, « Lightn. » a. « Porcup. » Exp. in Proc. Zool. Soc. of Lond., 



p. q5o. 

 1881. — — — Verrill, Récent Addit. Moll. New England in Proc. U. S. Nat. Mus., 



p. 407. 

 ,882. — — — Jeffreys, «Lightn.» and «Porcup.» Exp. in Proc. Zool. Soc. of Lond., 



p. 683. 

 ,882. — — — Verrill, Moll. New England in Trans. Connect. Acad. V, p. 579, 



pi. XLIV, fig. 8, 8a. 

 ,883? — hyalinum Monts., Del Prête, Conch. corallig. del mare di Sciacca in Bull. Soc. Malac. 



Ital. IX, p. 263. 

 ,883? — vitreum Holb., Jeffreys, Médit. Moll. in Ann. and Mag. of Nat. Hist. 5<>» Ser. XI, 



p. 394. 

 , 8S4. — — — Jeffreys, « Lightn. » and « Porcup. » Exp. in Proc. Zool. Soc. of Lond., 



p. 143. 

 ,884. — — — Nobre, Mol. do Noroeste de Portugal, p. 5o. 



,884. — — — Verrill, Second Catal. Moll. New England in Trans. Connect. Acad. VI, 



pp. 281, 283. 

 1884. Dacridium vitrea Holb., Tryon, Struct. and Syst. Conch. III, p. 264, pi. 129, fig. 19. 

 i885. Dacrydium vitreum Holb., Verrill, « Albatross » Expl. in Rep. Fisheries, p. 577. 

 ,885. — — — Herzenstein, Murmankùste, p. 644. 



,885. — — Bush, Deep-water Moll. dredg. by the «Fish-Hawk» in Rep. Fish and 



Fisheries, p. 723. 

 ,886. — — — Locard, Prodr. de Malac. franc., p. 490. 



1886. — hyalinum Monts., Locard, Prodr. de Malac. franc., p. 490. 



,886. — vitreum Holb., E. A. Smith, « Challenger » Lamellibr., p. 282. 



,886. — — — P. Fischer, Manuel de Conch., p. 970. 



,886. — — — Jonas Collin, Brach., Musl. og Snegle fra Kara-Havet, p. 14. 



,886. — — — Sparre-Schneider, Tromsôsundets Molluskf. in Tromsô Mus. Aarsheft 



VIII, p. 64. 



