BIHANG TILL K. SV. VET.-AKAD. HANDL. BAND 8. N:0 9. 5 



Acanthoajclus Dylowski 1873. Mo- 



nogr. der Zoautharia sclerodermata Ru- 



gosa aus der Silurformation Estlauds. 



Nord-Livlands und der Insel Gotland. 



1, 77, 103. The first part in the »Ar- 



chiv, Naturk. Liv-, Ehst- und Kurlandso. 



Bd V. 3. — The second in Bd V. Lief. 



4. 1874. — Identical with Pholido- 

 phylluiu. 



Acantkodes Dyb. 1873. Mouogr. I, 78, 

 108. The name has already been em- 

 ployed by L. Agassiz for a fossil fish. 

 This genus is moreover identical with 

 Pholidophyllum. 



Acanthopbyllum Dyb. 1874. Mon. IL 

 238. S. J). 



Acervularia Schweiggkr 1819. Beo- 

 bachtungen. Tab. VI. Handbnch, 418, 

 See also Milne Edwards &; Haime, H. 

 N. Cor. 111,407. b'ORBiGNYconfonnds 

 this genus with Lithostrotion and Loxs- 

 DALE*s Acervularia is ^Arachnophyllum. 

 Type: A. baltica. Diplophyllum Hall is 

 also synonymous. S. D. 



Acrocyathus D'OiiuiGKY 1850. Prodr. 

 de paleont. I, 160. = Lithostrotion. 



Acrophyllum Thomson & Nicholso.v 



1876. Auu. Mag. N. H. 4 Ser, vol. 17, 

 455. Type: A. (Clisiophyllum) oneida- 

 ense Bill. C. 



Acroporiies Kruglk 1823. Geschichte 

 der L^rwelt, II, :^65. His A. damicornis 

 is ^r^ Favosites poljmorpha, 



Actinocyathus D'Orb. 1850. Prodrome 

 de Pal., 48. = Arachnophyllum. Type: 

 Acervularia baltica Loksd. nonScuwEfCG. 



Actinocyatis Lindstr. 1882. Ofver- 

 sigt. Vet. Ak. Fhandl. N:o 3, p. 21. — 

 Ty|.e A. Grayi. Syn. Spongophylloides 



Meyer. S. 



Agaricia Lamarck 1816. Anim. sans 

 vert. ed. 1, II, 241. Employed by Gold- 

 fuss and MoRREi< for the Silurian Thecia, 

 though Lamarck's genus only embraces 



recent forms. 



Albertia J. Thomson 1878. Pro- 

 ceed. Pbilos. Soc. Glasgow, in a paper 

 "On a new genus of Rugose Corals from 

 the Carboni'erous Limestone of Scotlacdw. 

 The name has been already twice em- 

 ployed, by ScHiMPEE & MouG. 1837 for 



a fossil plant, and by Rondani 1843 

 for a dipterous insect. It is extremely 

 difficult to distinguish this and other 



genera of the same author and they 

 seem to mix with each other through 

 gradatious in the characters. So, for 

 mst. the four first genera represented 

 in A. N. H. 4th ser. vol. 18, p. 71 are 

 forms so closely approaching each other 

 that they might be taken as specific 

 variations in the genus Clisiophyllum. 



Alecio Lamouroux 1821. Exposition 

 methodique, 84. Includes a single spe- 

 cies of bryozoa. but later authors have 

 applied the name to the initial stages 

 of Syringopora. 



Alveolites Lam. 1801. Syst. anim. s. 

 vert. 375. Although L. considered this 

 genus as being in close affinity with 

 Favosites, he states that it belongs to 

 »les polypicrs k r6seau»>, that is to the 

 bryozoa. GoLDFUss again joined Alveo- 

 lites and Favosites uuder Calamopora. 

 Such species as A. Fougti, A. Labechei 

 show by their mode of growth and their 

 structure that they really belong to Favo- 

 sites. 



Ahjssites FiscHER VOX Waldheim 

 olim, instead of Halysites. 



Amplexus SowEhjer 1814. Mineral 

 Conchol. 165, pi. 72. Type: A. coralloi- 

 des from Limerick. Ought perhaps only 

 to be retained as a subgenus to Cyatho- 

 phyllum for such forms, which have the 

 tabulae widely developed. S. D. C. 



Anisophyllum Edw. H. 1850. Brit. 

 Fobs. Corals. Ixvi. D. 



AntliophyllumScHViE\GGr.Kl^\^. Beob. 

 tab. VI; llandb. 417. As circumscribed 

 by its author this genus includis several 

 recent corals belouKing to different genera 

 as Galaxea, Caryophyllia and others, bat 

 the name has been sometimes given by 

 later author^ to forms of Zaphrentis and 

 various palaeozoic genera. 



Antopora De Koxinxk 1872. Nouv. 

 Rech. Anim. Foss. du terr. Carb. de 

 Belgique 118. Is stated to be a genus 

 of Wahlenberg, but no such name occurs 

 in the «Petrefacta Telluris Svecanse^, the 

 only work, in which W. described Corals. 



Arochnhim Kkvseeling 1846. Wissen- 



schaftL Beob. Reise Petschoraland, 153. 

 Is a subgenus of Lithostrotion, for which 

 K. proposes this name, formed in ac- 

 cordance with VoLKMAXx, who 1720 in 



