Reviews—Dr. W. H. Dall’s Tertiary Fauna of Florida. 473 
Miocene. 
Chipola Epoch. 
Chattahoochee group (Hawthorne and Ocheesee beds). 
Tampa group (Shiloh marl, Tampa and Chipola beds). 
Chesapeake Epoch. 
Chesapeake group (Maryland, Virginia, etc.). 
Grand Gulf group (Grand Gulf beds, Altamaha Grit, etc.). 
PLIocENE. 
Floridian Epoch. 
Lafayette group (Lagrange beds, Orange sand, etc.). 
Floridian group (Caloosahatchie, De Sota, Waccamaw beds, etc.). 
After this digression on the author’s part, which may be excused 
on account of its exceptional interest, the shells are described, 
commencing with a few which in reality form a supplement to 
Part I. of the work. Passing by some of these we arrive at the 
new genus Glyptostyla, of which G. panamensis, a new species from 
the Miocene (?) of the Isthmus of Panama, near Colon, is the type. 
‘We do not quite see the reason for the inclusion of a Central 
American form in a work devoted to the Tertiary Mollusca of 
Florida; nevertheless it may be said that the species on which the 
genus is founded is extremely puzzling. “It recalls Pyrula by its 
external characters, Turbinella and Mazzalina by its solidity and 
heavy outer lip, Latirus and Volutilithes by its plaits.” 
The genus Ptychosalpinz, Gill, is revised, and the American species 
referable to it are enumerated. The author does not agree with Mr. 
R. B. Newton’s suggestion to adopt the name Triplex (Humphrey) 
Perry, for Pteronotus, Swains. pre-occupied; on the ground that 
Humphrey’s name was never illustrated or defined by him, whilst 
Perry’s Triplex, is in reality a synonym of Chicoreus, Montfort, 
although he admits that possibly one of the ten species Perry 
illustrates may belong to Pteronotus—as it certainly does. The 
question seems to hinge on the acceptance, or otherwise, of 
Humphrey’s work, which is not usually admitted (except when 
convenient) by malacologists. (By-the-bye, we notice that Dr. Dall 
himself has not hesitated to use a name, Scala, proposed by 
Humphrey.) For the American forms the author now uses Péero- 
purpura, Jouss. 
The genus Obeliscus is regarded as synonymous with Pyramidella; 
and the author gives a good account of the origin (shall we say 
evolution ?) of the name Odontostomia, Jeff., and gives a new scheme 
for the classification of the species of Turbonilla. He remarks, with 
reference to the latter, that the attempt to transfer all the plaited 
species to Odontostomia has been a failure, and that many of them 
will have to re-enter this genus when better known. 
The reasons for separating Seila from Cerithiopsis are carefully 
worked out and a useful description of the soft parts of the animal 
of the recent S. Adamsi is given, which species ranges from the 
Miocene. Cinctella is referred to as a synonym of Seila; but 
Lovenella, Sars. (which name does not stand, however, by reason of 
