Vol. 67.] FROM THE NEIGHBOURHOOD OF EXETER. 409 



are sigmoidal and forwardly-directed on the lateral area, making a 

 feeble orad-concave curve on the inner portion and a feeble orad- 

 convex curve on the outer part of the whorl, and are suddenly 

 deflected backwards at the peripheral margin where the test is 

 raised into obscure folds. The form of the shell and the nature of 

 its ornaments suggest the genus Prolecanites ; but, as there are no 

 traces of the septa, its reference to this genus is somewhat doubtful. 

 Locality. — Pinhoe brickfield, near Exeter. 



Orthoceras KoxixcKiAXUii d'Orbigny. 



1844. Orthoceras anceps L. G. de Koninck, ' Descr. des Anim. Foss. Terr. 



Carb. Belg.' p. 517 & pi. xlv, figs. 7 a-7 b (non Minster). 

 1850. Orthoceratites koninckianus d'Orbigny, ' Prod, de Paleont.' vol. i, p. ] 13. 

 1888. Orthoceras koninck ianum d'Orbigny; A. H. Foord, Catal. Foss. Ceph. 

 Brit. Mns. pt, i, p. 119. 



This species is represented by an example from Pinhoe, almost 

 completely embedded in a portion of a nodule, which also contains 

 besides other fossils an example of the species referred to in these 

 notes as Gli/jphioceras striolatum. Only a length of about 10 mm. of 

 the shell is visible, but this is sufficient to show a couple of its 

 characteristically-shaped annulations and the fine transverse raised 

 lines of the test. The specimen is subcircular in transverse section, 

 its diameters being 20 and 18 mm. respectively. 



The British Museum collection contains an example from 

 Hebden Bridge (Yorkshire) [C 5272]. Through the kindness of 

 Dr. Wheelton Hind, the writer has also had an opportunity of 

 examining a small block from Foynes Island (County Limerick) 

 containing an example of this species associated with adult and 

 immature forms of both Gly<phioceras reticaiatum and Gl. strio- 

 latum, as well as a Dimorphoceras (probably discrepans Brown), 

 and innumerable small calyciform goniatites exhibiting the proto- 

 conch. In fact, this assemblage reminds one very much of the 

 assemblage occurring in the nodules from Pinhoe. According to 

 Dr. Wheelton Hind, 1 these beds at Foynes Island contain a fauna 

 characteristic of the Pendleside Series. Dr. Hind & Mr. Howe 2 

 record this species from the Pendleside Group at Crims worth Dean, 

 Horsebridge Clough, near Todmorden (Yorkshire). 



Locality. — Pinhoe brickfield, near Exeter. 



Orthoceras obttjsum T. Brown. 



1841. Orthocera obtusa T. Brown, Trans. Manchester Geol. Soc. vol. i (1841) 

 p. 219 & pi. vii, fig. 36. 



One of the most interesting cephalopods from Pinhoe is an 

 example of this species, consisting like the type-specimen (with a 

 cast of which I have compared it) of the posterior portion of the 

 body-chamber, the posterior surface being apparently an impression 

 of the anterior surface of the last septum. The specimen is 



i ' Monogr. Brit. Carb. LamelL' (Pal. Soc.) vol. ii, pt. 3 (1904) p. 173. 

 2 Q. J. G-. S. vol. lvii (1901) App. B, table facing p. 402. 



Q.J.G.S. No. 267. 2* 



