65 NEW CIRCULARS 66 



We are offering Special Collections of Shells to 



illustrate Elementary Conchology. For descriptions 

 and prices, see circular 65. 



Our Special Dissections (showing the Anatomy of 

 Typical Animals), mounted in glass jars and accompanied by- 

 descriptive diagrams, are listed on circular 66. 



NEW OFFERS 



Sponges 



Euplectella aspergillum, .... $1.00-2.00 



Hyalonema sieboldii, 2.00-5.00 



Shells 



Argonauta argo, - - - - - - $ .50-4.00 



Nautilus pompilius, 1.00-2.00 



" " (sectioned), - 2.00-3.00 



Spondylus pictorum, ....'. 1.50-2.50 



"Everything in Natural History J 



WARD'S NATURAL SCIENCE ESTABLISHMENT, 



76-104 College Ave., Rochester, N. Y. 



Ward's Natural Science Establishment 



A Supply-House for Scientific Material. 



Founded 1862. Incorporated 1890. 



DEPARTMENTS : 



Geology, including Phenomenal and Physiographic. 

 Mineralogy, including also Rocks, Meteorites, etc. 

 Palaeontology. Archaeology and Ethnology. 



Invertebrates, including Biology, Conchology, etc. 

 Zoology, including Osteology and Taxidermy. 

 Human Anatomy, including Craniology, Odontology, etc. 

 Models, Plaster Casts and Wall-Charts in all departments. 



Circulars in any department free on request ; address 



Ward's Natural Science Establishment, 



76-104 College Ave., Rochester, New York, TJ. S. A. 



