50 
S. S. Buckman, in his paper, “ Brachiopoda of tlie Inferior 
Oolite . 55 Proc. Dorset Club, Yol. iv., 1882, carefully indicates 
the differences between the species R. spinosa and the so called 
R. senticosa , found in the Somerset and Dorset district. 
Haas and Petri. “ Die Brachiopoden der Juraforrnation yon 
Elsass Lotliringen,” 1882, page 222 , state that the following 
species of the group of Rliynclionella spinosa occur in the 
Dogger :— Rliynclionella oligacantlia , Branco ; ITnterer Dogger/3, 
/I — 7; Rliynclionella Crossi — Walker, IJnterer Dogger, 7 . and 
c ; Rliynclionella tenuispina , Waagen, IJnterer Dogger, 7. and 
e >; Rliynclionella spinosa, Schlot, in the Qberer Dogger e; of 
the latter species they figure a young form from Wartenburg, 
near Muttenz, Basle, the locality given by Knorr ; also a long 
full-grown specimen from Metzerlen, Berner Jura, and a wide 
full-grown specimen from Pfirt, Ober-Elsass. According to 
Quenstedt, the Oberer Braun Jura, includes both the Parkinsoni- 
zone, and the Macroccphalus-zoncs. 
Part III. 
We have found that the following species and varieties of 
Acantliothyris occur in England. 
Acantliothyris spinosa (Linnceus).— Deferences to the 
papers have already been given in Part II. 
1768— Anomia ventricosa striata echinata, Annome, in 
Knorr and Watch. 
P788— Anomia spinosa, Linnoeus. 
1813— Terebratulites spinosus, von Schlotheim. 
1816— Terebratula spinosa, Smith. 
1819— Terebratula spinosa, Lamarck. 
1820— Terebratula spinosa, von Schlotheim. 
1834— Terebratula spinosa, von Buck. 
1849— Hemitliiris spinosa, d’Orbigny. 
Acantliothyris spinosa, d’Orbigny. 
1851— Rliynclionella spinosa, Davidson. 
HON Terebratula spinosa, Zieten. 
Acantliothyris spinosa, Linnaeus, occurs in England, in 
the Parlansoni-zone, where it is a common fossil, and 
presents us with numerous varieties. Pne ordinary form 
has two convex valves, the smaller valve being the most 
