300 BULLETIN OF THE 



> Clathrus Gray, Syn. Brit. Mus., 1840; type Scalaria australis Lam. (?no descrip- 



tion). 



> Cirsotrema Morch, Cat. Yoldi, p. 49, 1852 (S. varicosa Lam.). 



> Scala H. & A. Adams, Gen. Rec. Moll., I., Nov., 1853, p. 220 (5. scalaris L.), with 



subgenera Clathrus, p. 222 (S. clathrus L.) ; Opalia, p. 222 (S. australis Lam.) ; 

 Amaia, p. 223 (S. mngnijica Sby.) ; and 



> Cirsotrema (Morch) H. & A. Adams, /. c, II. p. 223, Nov., 1853 (S. varicosa Lam.). 

 = Scalaria Woodward, Man. Ree. & Foss. Shells, 1854 (S. petiosa). 



>Acirsa Morch, -Prodr. Moll. Gronl., 1857; H. & A. Adams, Gen. Rec. Moll., II. 

 p. 621, Nov., 1858 (S. Eschrichtii Holb.). 



= Scalaria Chenu, Manual de Conchyl., 1. p. 217, 1859 (S. pretiosa Lam.), with sec- 

 tions Clathrus (S. communis Lam.) ; Opalia, p. 218 (S. australis Lam.) ; A?neea, 

 p. 218 (S. mngnijica Sby.) ; and Cirsotrema, p. 218 (S. i-aricostata Lam.). 



1 Constantia A. Adams, Ann. Mag. Nat. Hist., 3d ser., VI. p. 120, 1860 ( C. elegans Ad.). 



> Acrilla H. & A. Adams, P. Z. S. 1800, p. 241 (S. acuminata Sby.). 



<><Sca/a A. Adams, Sculidai of Japan, Ann. Mag. Nat. Hist., 3d ser., VIII., 1861, 

 p. 479; with Amaia, p. 482 ; Clathrus, p. 482 ; Cirsotrema, p. 482; Constantia 

 (elegans), p. 483 ; and Scaliola (bella), p. 484 * 



> Sthenorytis (Conrad) Meek, S. I. Check List Miocene Foss., p. 18, 1864. Conrad, 



S. I. Check List Eocene Inv. Foss., p. 15, No. 200, 1866; also in Am. Journ. 

 Conch., III. p. 259, pi. xxi. fig. 4, Jan., 1868. (.S - . pachgpleura Conrad, = Scala- 

 ria pachypleura Conr., Journ. Acad. Nat. Sci. Philadelphia, VIII. p. 565, 1862.) 



> Opalia H. & A. Adams (emend.), in Carpenter, Ann. Mag. Nat. Hist., 3d ser., 



XIV. p. 31, Jan., 1865 (S. australis Lam.). 



> Scalina Conrad, Am. Journ. Conch., I. p. 27, 1865; S. I. Check List Eocene Iny. 



Foss., pp. 14, 29, 1866. (S. triquintinaria Conr. = Scalaria triquintinaria Conr., 

 Journ. Acad. Nat. Sci. Philadelphia, 2d ser., I. p. 114, pi. xi. fig. 14, 1848.) 

 Not Compsopleura Conrad, S. I. Cheek List Eocene Inv. Foss. p. 15, 1866. (C. trino- 

 dusa Conr. = Scalaria trinodosa Conr., Journ. Acad. Nat. Sci. Philadelphia, 

 2d ser , IV. p. 288, pi. xlvii. fig. 43. This shell belongs to the Melaniidaz 

 probably.) 



> Cirostrema Tate, App. Woodward, Man., 1870, p. 26, = Cirsotrema Morch- 

 = Scalaria Nyst, Tabl. Synopt, p. 12 (1871), 1873. 



> Scala Morch, Vidensk. Medd. Nat. Foren. Kjobenhavn, 1874, p. 252 ; with sec- 



tions Aciona, p. 252 (S. scalaris L.) ; Scala, p. 252 (S. clathrus L.); T'urbona 

 "Browne," p. 259 (S. unifasciata Sby.); Amaa, p. 262; Opalia, p. 266; 

 Cirsotrema, p. 268 (S. cochlea Sby.). 

 Scala Morch, Journ. Acad. Nat. Sci. Philadelphia, 2d ser., VIII. p. 192, 1876 ; with 

 sections Aciona, -p. 192; Turbona, p. 198; Amaa, p. 200 ; Ianthoscala, p. 190 

 (Scalaria inconspicua Sby. = Janthoscala, p. 203) ; Opalia, p. 203 ; Cirsotrema, 

 p. 205. 



> Psychrosoma Tap. Canefri, Journ. de Conchyl., XXIV. p. 154, April, 1870 



(= Opalia H. & A. Adams). 

 XScalidaz Stoliczka, Pal. Indica, Cret. Gastropoda, p. 229, 1868, with the follow- 

 ing "genera": Funis (Seeley), p. 229; Crossea (Adams), p. 229; Amcoia 

 (= lapsus pro Amaia Adams), p. 229 ; Acirsa, p. 229 ; Acrilla, p. 229; Cirsotrema, 



* Referred in 1862 to the Rissoidaz by Adams, from an examination of the soft 

 parts. 



