130 CURRENT LITERATURE. 



fusiform in shape, and ornamented with distinct transverse lines ahnost to its distal 

 surface. The transverse ornaments do not exliibit any trace of the hyponomic sinus, 

 orbackwardly directed curve in the centre of the periphery, until near the end of the 

 third whorl. The nepionic shell is in contact with the protoconch, whereas in some 

 species of ^5iarccsfcs that have been described the nepionic shell is free for about 

 half a whorl. The author gives figures of the protoconch, and of the nepionic shell, 

 and a drawing of the suture-line of the seventh volution, the precise form of the 

 earliest suture-lines not having been made out. He concludes that the immense 

 size of the protoconch when compared with that of other ammonoids indicates a 

 closer approach to the stock whence the Goniatitincc have been derived. 



He then describes and figures the protoconch of the species which was first 

 described by Vanuxem as Goniatites expansus, and afterwards by Hall as Goniatitcs 

 vanuxemi, Vanuxem's name being pre-occupied. This species is a typical form of 

 the genus which was named by Meek Agonialitcs and by Mojsisovics Aphyllites. 

 The protoconch, although large, is less than that of Anarccstes jjlebciformis ; it is 

 "rather stoutly ellipsoidal, projecting a little at each side beyond the edge of the 

 first whorl," and its "surface is finely and sharply striated horizontally from the 

 distal extremity " ; it is in complete contact with the nepionic whorl. In the 

 example which the author has figured (on an enlarged scale) a portion of the striated 

 test is broken away and shows the long and distinct scar of the siphonal ctecum. 



Finally, the author figures a vertical section of the first three chambers of the 

 Cretaceous species Kautiliis [Eutrqjhoccras) Dekayi, Morton, showing the continuous 

 but irregularly curved course of the "sipho." — Geo. C. Ckick. 



Kennard, A. S., and Woodward, B.B. — 'i^oies on Pahulcstr inn jcnlclnsii^rmih) 

 and P. con/usa (Frauenf. ). Troc. Malac. Soc. Lond., 1899, vol. iii, pp. 

 297—300. 



The authors have had specimens of P. jenhinsi compared with two shells in the 

 Jeffreys' Collection labelled '^ Hydrohia ferrusina, Hampshire, Sowerby," with 

 which they agree in every respect. P. covfusa, Frauenf., for which a number of 

 localities are given, was last collected by the writers in 1895, but owing to extensive 

 building and draining operations, it no longer exists in any of these, and they con- 

 clude that it must now be considered extinct in England. — \V. E. C. 



Gude, G. K. — Armature of Helicoid Landshells. Sci. Goss., 1899, vol. vi, pp. 

 75 — 77, 147 — 149, 174—177, figs. 100 — 105, and map. 



The species treated of are P. caliginosa, Sykes, P. clathratula v. comjjressa, 

 Sykes, and P. fran^oisi, H. Fisch. A very useful synopsis of the genus is given, 

 notes on the geographical distribution and a key to the species. This series of 

 papers is brought to a termination and an index given to those previously 

 published.— W. E. C. 



Hedley, Charles.- The Mollusca of Funafuti. (Supplement.) Mem. Aust. Mus. , 



1899, vol. iii, pt. 9, pp. 549—565. figs- 59—80. 



The author records in this appendix the mollusca obtained on the second and 



third expedition to the Atoll of Funafuti. In all 56 species are enumerated, of which 



16 are new. A new genus (Mecoliolia) of the Liutiidoe is also described. — W. E. C. 



Walker, Bryant. — The Terrestrial Mollusca of Michigan. Svo., pp. 27, i 

 map. Detroit, Mich.: 1899. 



This is a very carefully prepared annotated catalogue and particular attention 

 has been devoted to the authentication of the various species, of which 75 are 

 enumerated. Since the issue of a similar catalogue in 1895, Polygyra dniisa, Say, 

 has been authenticated, while Ov^jihalina invrnata, Say, Zonitoidcs limatnlvs, 

 Ward, and Succinea aurea, Lea, are shown to be doubtful or have been cited in 



