78 THE LAND MOLLUSCAN FAUNA OF BRITISH NEW GUINEA, 



Hab. — Doura (Hedley). 



Named after the Hon. A. Musgrave, of British New Guinea. 



17. |Thalassia annula, Brazier, 1876. 

 (Plate x., fig. 10.) 

 Desc r n — P.L.S.N.S. W. ( 1), 1. 100 ; Ann. Mus. Gen, xix. p. 94. 

 Type in Macleay Museum. 



H ab. — Village of Mowatta, mouth of Katow River (Brazier). 

 Figured from type. 



Doubtful, — T. rustica, Pfr., supposed by Mr. Petterd to exist 

 near Port Moresby (vide Journ. of Conch, i. p. 396 ; Ann. Mus. 

 Gen. xxiv. p. 125 bis.). 



18. -j-Trochomorpha planorbis, Lesson, 1830. 



IH us n._Yoy. "Coquille," Moll. pi. 13, figs. 4, 4', 4"; Pfeiffer, 

 Conch. Cab. 2 ed. Helix, ii, pi. 129, figs. 16, 17 ; Mousson, Land 

 Sussw. Moll. Java, pi. 2, fig. 9 ; Martens, Ostas. Zool. pi. 13, figs. 4, 

 5, 6, 7 i Tryon, Man. Conch. (2), m. pi. 16, figs. 78-82 ; &c, &c. 



Descr 11 — Pfeiffer, Mon. Hel. Viv. i. p. 122 ; Voy. "Coquille," 

 Zool. ii. p. 312; Tryon, Man. Conch. (2), in. 82 ; &c, &c. 



T y p e in Museum of the Jardin cles Plantes. 



H a b. — Fly River (D'Albertis, Froggatt) ; Katow River 

 (D'Albertis). 



19. T. lomonti, Brazier, 1876. 



1 11 us 11 -— Ann. Mus. Gen. xix. pi. 2, figs. 5, 6, 7 ; Tryon, Man. 

 Conch. (2), in. pi. 15, figs. 50, 51, 52. 



Descr 11 — P.L.S.N.S. W. (1), i, 101; Ann. Mus. Gen. xix. p. 

 91 ; Tryon, Man, Conch. (2), in. p. 82. 



A n at. —Ann. Mus. Gen. pi. 6, fig. 2, pi. 8, fig. 3, pi. 9, fig. 4. 



Type in Macleay Museum. 



Hab. — Yule Island (Brazier, D'Albertis.) 



