III. Systematik, Faunistik, Biologie. 1. Pisces. III. Systematic. 103 



ters, but differing in the form of its jaws, wich indicate a transition towards He- 

 nnrhamphus ; Jordan & Meek (^) p 48. 



Family Esocidae. 



Esox. Meek & Newiand (^) review this genus, and distinguish 5 species, of which 

 notes, synonymy and an analytical key are given. A list of nominal species witli 

 their identifications is added. 



Family Salmonidae. 



Lidth de Jeude writes on deformities of the head. Day (^) describes the bree- 

 ding of Salmon from parents whicli have never visited the sea, and [^) gives a 

 further account of the Howietoun experiments, comprising the period during which 

 the ova of hybrid Salmonidae have been incubating. (ö) contains notes on the 

 breeding. Garman {^) has pnblished a work entitled American Salmon and 

 Trout, including introduced forms. Jordan (^) has written some notes and criti- 

 cisms on the above, and points ont that the discrepancies between the results of 

 this author and those reached by Bean, Gilbert, and himself, »are more in name 

 than in fact.« Fiedler writes on the migration of Salmon in the Baltic. 

 Sahno >^oorf/, Richards., ipart =/ontmalis, ipart = tiamaj/cush ; Jordan (^) p Si,salar, L., 

 pl. 18, a.nä ferox, L. , pl. 16 and 17, described and figured by Sundman pt. 6 

 p 1 — 12 — see also Klunzinger — Osmems operlanus, L., is described and figured 

 by Sundman pt. 5 p 5 pl. 15. 



Fatio distinguishes among the 24 forms of Coregonus found in the Swiss lakes 

 the following : Coregonus dispersus n. p 660, and balleusn. p 663; suidteri nova. 

 n., and hiemalis, Jurine, intermediate forms p 662 pl. 22 and 23. 



Family Clupeidae. 



Brook (2) writes on the development of the Herring, Mc Intosh ('-j on the 



spawning, and Dunn and Pearoey on the movements and food. See also Ljungman. 



Clupea sprattus,h., p 471, and aurita,C.&Y.,Tß 474, are noted by Vinoiguerra; nii- 



' rahilis, Girard^ = Spratelloides brgoporus, Co^e; Jordan (^) p 546; thrissa, L., is 



' an Indö-Pacific species of Opisthonema ; the Carolina specimens referred by Lin- 



naeus to that species were Dorosoma cepedianum\ the American Opisthonema must 



probably be called 0. oglina, Les.; Goode & Bean (') p 206. 



Pellonula modesta n. West Africa ; FiSCher p 75. 



Family Muraenidae. 

 Anguilla vulgaris. On the reproduction ; Southwell. 



Order Plectognathi. 



Family Sclerodermi. 

 Monacanthis [Aluteres] fuscxis u. Cameroon ; Fischer p 75 pl. 2 F 6. 



Subclass Cyclo stomata. 



Family Petromyzontidae. 



Petrmnyzon eastaneus, Girard. Notes on the occurrence in Kansas by Cragin (^) p 99, 



