96 
NAUTILOIDEA. 
Horizon. Orthoceratiten-Kalk ; Upper Devonian. 
Locality. Elbersreuth, Bavaria. 
Represented by a fragment. 
Orthoceras Bavaricum, Eoord. 
1840. Orthoceratites striatulus'^ , Munster, Beitrage zur Petrefacten- 
kunde, Heft iii. p. 102, Taf. xx. f. 5, a-cl. 
Sp. Char, The sculpture of this species is so peculiar as to 
constitute in itself a sufficiently distinguishing character. It con- 
sists of fine zigzag lines covering the whole of the shell in a longi- 
tudinal direction. 
Horizon. Clymenien-Kalk ; Upper Devonian. 
Locality. Schiibelhammer, Bavaria. 
Represented by an imperfect specimen. 
Orthoceras ellipticum, Munster. 
1840. Orthoceratites cllipticus, Munster, Beitrage zur Petrefactenkunde, 
Heft iii. p. 97, Taf. xviii. f. 2, a, b. 
1879. Orthoceras elUpticum, Giimbel, Geogn. Beschreib. des Fichtel- 
gebirges, in Geogn. Beschreib. desKonig. Bayern, Abth. iii. p. 498. 
Sp. Char. The distinguishing feature in this species is its broad, 
compressed form, which gives an elliptical section, whose diameters 
are as 36 : 23. 
Horizon. Upper Devonian. 
Locality. Gattendorf, Bavaria. 
Fairly well represented in the Collection. 
Orthoceras angustiseptatum, Giimbel. 
1840. Orthoceratites yregarius, Munster {non Sowerby), Beitrage zur 
Petrefactenkunde, Heft iii. p. 97, Taf. xviii. f. 1 h. 
1873. Orthoceras gregarium ?, Kayser, Zeitsch. der deutsch. geol. 
Gesell. Band xxv. p. 635. 
1879. Orthoceras angustiseptatum, Giimbel, Geogn. Beschreib. des 
Fichtelgebirges, in Geogn. Beschreib. des Konig. Bayern, Abth. iii. 
p. 498. 
Sp. Char. This species, as observed by Munster, is distinguished 
from all others from the Orthoceratiten-Kalk of the Fichtelgebirges 
by the close proximity of its septa. 
Horizon. Orthoceratiten-Kalk ; Upper Devonian. 
Locality. Elbersreuth, Bavaria. 
One very imperfect specimen. 
* This name having been employed by Sowerby for another species I have 
changed it as above. 
