95 
I GANOID13I, IlOLOCEPlIALAj PLAGIOSTOMATA. 
j * Nature/ 1871, September and October, nos. 99, 100, 102. In this paper the \ 
I author enters more especially into the reasons which induced him to unite ; 
? Ganoids and Plagiostomes in one subclass, and adds some important details j 
I and corrections regarding the generative organs. From these three papers | 
i an account has been compiled by Prof. Troschel in Wiegm. Arch. 1871, i 
Lpp. 325-344*. ' I 
*4. The complete memoir in Philos. Trans, ii. 1872, pp. 511-571, pis. 30-42. j 
separate reprints were issued in 1871 (November). 
Acipense?'. Dr. Knoch has made the important observation that young 
Sterlets (and probably all young Sturgeons) are provided with small deciduous 
teeth. Bull. Mosc. 1871, no. 1, p. 281, Taf. 6. fig. 7. 
Acipenser sterletm. Dr. Knoch reports on a journey made to the Volga for 
\ the purpose of obtaining spawn of the Sterlet, and of attempting its acclimati- 
I zation in other parts of Europe, adding some remarks on the early stages of 
1 its development. Z. c. 1871, no. 1, pp. 254-289, Taf. 6. — On the same subject, 
\ Murray, P. Z. S. 1871, pp. 11-13. 
f^ '^Acipcmer stiirio. Its occurrence in the Rhine and Maine, by Noll, Zool. 
/ Gart. 1871, pp. 180-183. 
HOLOCEPHALA. j 
Callorhynchus antarcticus. Egg figured by R. O. Cunningham, in ‘Notes \j\ 
on the Natural Histoiy of the Strait of Magellan,’ on a plate, p. 340. \ 
PLAGIOSTOMATA. | 
! 
CarcJianas. Dr. Klunzinger (Verb. z.-b. Ges. Wien, 1871, pp. G55-GG2) I 
describes six species from the Red Sea, one being new, Carckarias ehrenbergii ’ 
(p.GGl). ^ ^ ^ * I 
Loxodon macrorhinus occurs in the Red Sea. Klunzinger, 1. c, p. G62. ; 
Gahoccrdo obtmus, sp. n., Klunzinger, 1. c, p. GG4, Red Sea. | 
Dirrhizodon elongatm^ g. et sp. n., Klunzinger, 1. c. p. G64, Red Sea : near i 
Thalassorliintts. ; 
Mustelus vulgaris and Icevis from the Red Sea. Klunzinger, 1. c. p. G68, I 
Lamna spallanzanii occurs in the Red Sea. Klunzinger, 1. c. p. 669. 
Chiloscyllium modestum, sp. n., Gunther, P. Z. S. 1871, p. G54, pi. 64, 
Queensland. 
Acanthias mlgaris taken in Falkland Sound and in the Strait of Magellan / 1 
by Cunningham, Trans. Linn. Soc. xxvii. p. 473. i 
Torpedo. “ Determination de la duree de la d^charge eiectrique chez la 
torpille,” by Marey, Compt. Rend. 1871, Ixxiii. pp. 958-9G1. j 
Torpedo sinus persici described by Klunzinger, Verb. z.-b. Ges. Wien, 1871, I 
p. 677. \ 
Raja. On sexual differences, Darwin, Descent of Man, ii. pp. 2, 6. I; 
Urogymnus rhomhetiSj sp. n., Klunzinger, 1. c. p. 683, Red Sea. | 
• The Recorder must express his thanks to Prof. Troschel for the care he 
has bestowed on the translation of these articles. In one or two cases only, 
later corrections stand now side by side with the first account, which renders 
these passages somewhat obscure. 
