belemnitidje : belemnites. 137 



28. Belemnites Fleuriansus. 



Shell elongate, slender, anteriorly compressed, attenuated, poste- 

 riorly depressed, very acute, beneath longitudinally grooved ; 

 groove posteriorly and anteriorly not interrupted ; aperture 

 compressed ; alveolus ? 



Belemnites Fleuriansus D'Orb. Paleont. Franc. Terr. Jar. i. 111. 

 t. 13. f. 14—18., Paleont. univ. t. 51. f. 14— 18., Moll. Viv. et 

 Fos. i. 512., Belemn. n. 20. 



Hab. Great Oolite, rare. 



If Style elongute, generally lanceolate, with distinct lateral Grooves 



for a great part of the length. The ventral Groove is very 



deep in front. — Hastati. Hibolithus Montf. Conch. Syst. 



i. 387. t. 97. Porodragus Montf. 1808. Actinocamax 



Voltz, Hartm. 



Fossils in Lias. 



29. Belemnites tricanaliculatus. 



Shell elongate, conical, posteriorly obtuse, longitudinally trisul- 

 cate ; sulci not interrupted, excavated ; aperture triangular ; 

 alveolus with an angle of 30°. 



Belemnites canaliculars Bauhin, 34. ? 1698. 



Belemnites tricanaliculatus Hartmann, Zieten, Wurt. t. 32. t. 24. f. 



10., Wurt. 17. n. 1.; Keferst. Diet. Nat. 428. n. 102.; J)' Orb. 



Paleont. Franq. Terr. Jur. i. 100. n. 14. t. 14. f. 1 — 5., Paleont. 



univ. t. 41. f. 1—5., Moll. Viv. et Fos. i. 492., Belemn. n. 8. 

 Belemnites quadricanaliculatus Hartmunn, Zieten, Wurt. 32. t. 24. 



f. 2. 1830, Wurt. 17. ; Keferst. 427. n. 79. 



Hab. Upper Lias. 



Fossils in Oxford Clay. 



30. Belemnites iiastatus. 



Shell elongate, slender, spindle-shaped, anteriorly dilated, com- 

 pressed, posteriorly inflated, depressed, acutely mucronate, be- 

 neath grooved ; groove disappearing posteriorly, interrupted ; 

 aperture rounded ; alveolus at an angle of from 11 to 18 . 



Bauhin, Hist. Fontes. 34. 1598 ; Lloyd, Phil. Trans, xxv. f. 1705. ; 



Borguet, Trait, des Petrif t. 45. f. 374. 1742 ; Longius, t. 37. 



f. 3. ; Journal de Phys. An. ix. t. 1. f. D. E. 

 Hibolithes hastatus Montf. Conch. Syst. 386. 1808. 

 Porodragus restitutio Montf. Conch. Syst. 390. 1808. 

 Belemnites fusiformis Parkins, Org. Rem. iii. 122. t. 8. f. 13. 1811; 



Young cf Bird, Geol. Yorksh. t. 14. f. 2. ; Miller, Trans. Geol. 



