80 FOSSIL ECHINI FROM THE TERTIARY 



guished from E. orientalis and E. oviformis (which are syno- 

 nymous) by their longer and less closed petals (Anim. foss. 

 de rinde pag. 212), I have examined specimens of J^. oviformis 

 A(f., which so closely agree with the figure given by d'Archiac 

 and Haime (1. c. tab. 14 , fig. 5), that I have no doubt E. lac- 

 quemonti must be regarded as synonymous with E. oviformis. 



11. Mrissus (lecHvis Herlil. is nearly allied to B. 

 carinatus Grnij. 



12. Brissopsis lumonicu Ag, Brissopsis latior Herkl. 

 is identical with this species. Verheekia duhia v. Fritsch 

 (Eocanformation von Borneo, copie in » Jaarboek voor 

 Mijnwezen" 1879 I, pag. 137, tab. 11, fig. 4) also ap- 

 pears to be synonymous as far at least as the incomplete 

 preservation of the Bornean fossil permits to judge. Zittel 

 (Handbuch der Palaeontologie pag. 541) had already united 

 Verheekia with Brissopsis. 



13. ScHixastef suhrhomhoidnlis lEerhl. is very 

 closely allied to Sch. veutricosus Gray , which has been also 

 found in a fossil state in Australia (Duncan, Quart. Journ. Geol. 

 Soc. 1877, XXXIII, pag. 61 u. 68;. A real difference be- 

 tween S. venti'icosxis and the Javanese fossil is to be found 

 in the outline of the last named species , which is more or 

 less pentagonal in consequence of the stronger flattening 

 posteriorly and the considerable widening of the middle 

 of the test. Moreover the petals are more divergent in 

 S. subrhomhoidalis. The fasciola peripetala is widened 

 out towards the extremity of the petals, especially anteri- 

 orly , as in S. ventricosus, 



14. Pericostnus granulostis Herkl. =: P. rotun- 

 datus Herkl. := P. planulatus Herkl. =: P. distinctus Herkl. 

 They do not show any differences , which might not be 

 explained by the different state of preservation, of which 

 Herklots has not taken sufficient note. 



15. Perietosmtts ftgperulufus lEerlil. may be dis- 

 tinguished from the preceding species by a small diffe- 

 rence in the course of the fasciola pei'ipetala , which en- 

 circles the hinder petals not in a angularly beïit, but in 



jNotes troin Iho Tjeyrlon TMnseum, "Vol. II. 



