Scientific Intelligence. — Geology. 379 



but few could be determined; among these are the already men- 

 tioned species of Cytlierina, in which both valves are o-enerallv 

 united. Besides these, there also occurs in this bed, 1. Small 

 corals, among which we could distinguish the Ceriopora prisca ; 

 2. Remains of cidarites and serpulites ; 3. Numberless fragments 

 of encrinites ; 4. Some new species of Bellerophon ; 5. Among 

 the bivalves numerous small producti and terebratulce, further 

 cardia, &c. ; 6. Many species of small univalves, and among 

 these, Nerita, Trochus, Turritella, Melania ? Cerithium ? &c. 

 The uppermost bed of this mountain-limestone affords here, as 

 at the Eifel, the most characteristic petrifactions of the zechstein 

 of Gera, which at that place rests in part on this transition 

 limestone, and in part on the dolomite belonging to the zechstein 

 of Liebenstein and Gliicksbrunn in the Thuringerwald. 



9. Connexion of Diseases with the Rock Formations of a 

 Country. — Amongst a great many of the communes of Calvados, 

 in France, near to each other, and exposed to the same climatic 

 influences, there is one which is particularly liable to fever. 

 Nearly the whole of these communes are situated upon lias and 

 red marl, and some other clayey formations, which retain at the 

 surface a humidity favourable for the formation of foo-s. On 

 the contrary, the communes situated on rocks havino- a loose 

 texture, and which permit the rain water to escape more easily, 

 such as the great oolite, chalk, &c. or which do noc present any 

 beds capable of arresting the course of the water, as gramte, 

 and certain slates, appear less liable to fevers. It results from 

 these general considerations, that the soil, by its greater or less 

 hygroscopic quality, may have an eifect on the state of health, 

 by favouring more or less the development of certain diseases. 

 M. de Caumont does not regard this observation as new, but 

 communicates it with the view of ascertaining in what propor- 

 tions (every thing being equal), the fevers and other maladies 

 are developed in the principal geological regions of Calvados ; 



for example in that of granite, slate, hmestone, clay, &c. 



Journal de Geologic, May 1830. 



10. Coprolite found in the Tyrol. — " I have found in the black 

 bituminous limestone, below the jura limestone of Seefeld, in 

 the Alps of the Tyrol, coproUtcs resembling those figured at 



Bb2 



