GANOIDEI, TELEOSTEI. 
Pisces 1 7 
Gyracanthus rectus , n. sp., Traquair, Ann. N. H. (6) vi, p. 417, Lower 
Carboniferous, Scotland. G. incurvus , n. sp., for a Selachian ichthyo- 
dorulite from the Devonian of Canada ; id. Geol. Mag. (3) vii, p. 21. 
vPalccospondylus gunnii , n. g. & sp., id. t . c. p. 485, fig., Old Red Sand- 
stone, Caithness. 
vlleter acanthus, n. g., for C. wrigliti , Newb., and II. politus , n. sp. ; 
Newberry, Pal. Fishes N. Am. p. G5, Cement Beds, Hamilton age, 
Wisconsin. 
Callognathus, n. g., id. t. c. p. 69 ; C. regular is, p. 70, pi. xxvii, fig. 18, 
serratus, p. 70, pi. xxvii, figs. 16 & 17, and ortoni , p. 71, pi. xix, fig. 1, 
n. spp., Devonian of Ohio. 
Stethacanthus, n. g., id. t. c. p. 198. S. tumidus, p. 129, pi. xxv, figs. 1 
& 2, and marginatus, n. spp., id. t. c. pi. x^x, fig. 9, Carboniferous, Indiana 
and Ohio. 
* Pcntagonolepis, n. g., for Ganoid scales of obscure affinities ; Loiiest, 
Ann. Soc. Geol. Belg. xv, p. 159. P. Jconindci, n. sp., id, t. c. p. 161, 
pi. xi, figs. 1-8, Upper Devonian of Belgium. 
TELEOSTEI. 
S 0 RENSEN, W. Om Forbeninger i Svommeblaeren, Pleura og Aortas 
Yaeg og Sammensmeltning deraf med Hvirvels 0 jlen ssorlig hos Siluroi- 
derne, samt de saakaldte Weberske Knoglers Morfologi. — Sur les 
ossifications do la paroi de la vessie natatoire, de la plevre et de 
l’aorte, et leur fusion avec la colonne vertebrale, surtout chez les 
Siluroi'des, et sur la morphologie des ossicules de Weber. Yid. Selsk. 
Skr. (6) vi, pp. 67-152, pis. i-iii. [With French resume . ] 
Bridge, T. W. On the Structure and Function of the Air-Bladder in 
certain Fishes. P. Birmiugh. Phil. Soc. vii, pp. 144-187. 
McIntosh, W. C. On the Larval and Post-Larval Stages of the Sole 
and other Food-Fishes. [Abstract.] Rep. Brit. Ass. lix, p. 618. 
Ryder, J. A. The Continuity of the Primary Matrix of the Scales 
and the Actinotrichia of Teleosts. Am. Nat. xxiv, pp. 489-491. 
Wjedersiieim, R. Weitere Mittheilungen fiber die Entwicklungs- 
geschichte des Schulter- und Beckengfirtels. Toleostier. Anat. Anz. 
v, pp. 13-19, figs. 
Raffaele, F. Sullo spostamento postembrionale della cavity addominale 
nei Teleostei. MT. z. Stat. Neap, ix, pp. 305-329, pis. xii & xiii. 
Holt, E. W. L. Observations upon the Development of the Toleostean 
Brain, with especial reference to that of Clupea harengus. Zool. 
Jahrb., Anat. iv, pp. 478-500, pis. xxix-xxxi. 
