CONCHOLOGY. 217 



cum Joh. Jac. Hardeeri Epistolis aliquot de 

 Partibus Genitalibus Cochlearum. Aug. 

 Vindel. 1684. 8vo. 



Hatchett Charles. VIII. Experiments on Shell 

 and Bone, in " Phil. Trans." 1799. 



Hebenstreit Jo. Ern. IV. IX. Museum Richteri- 

 anum. Lips. 1713. fol. 



Dissertatio de Ordinibus Conchyliorum mc- 

 thodica Ratione instituendis. Lips. 1728. 4to. 

 p. 28. 



Herissant Francois David. VIII. Eclaircissemens 

 sur V Organisation jusqu'ici inconnue d'une 

 Quantite considerable de Productions Ani- 

 mates, principalement de Coquilles des Ani- 

 maux, in the " Mem. de TAcad. Roy. des 

 Sc." 1766. p. 508—540. with plates. 



Hill Sir John. I. History of Animals. Lond. 1752. 

 fol. with plates. 



Hofer Joannes. VII. Observatio Zoologica, in " Act. 

 Helvet." vol. iv. p. 212, 213, tab. 9. fig. 21, 

 22. (1760.) 



Hoffman Jo. Frideric. II. V. Dissertatiuncula de 

 Cornu Ammonis nativo Littoris Bergensis in 

 Norvcgia, in " Act. Acad. Mogunt." torn. i. 

 p. 110—117.(1757.) 



De Tubulis vermicularibus Cornua Am- 



