lxxviii 



HA RD WICKE'S SCIENCE-GOSSIP. 



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Above 70 Series of Unmounted Objects at 2s. each Series, ready 

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SPECIAL SERIES 20. 

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 Bacillus tuberculosis. 

 1 ,1 Typhi-abdominalis. 

 Sarcina lutea. 



Micrococcus ovale (Lactic ferment.) 



cinabreus. 

 Pasteurella C hole ra-gallina rum. 



12 PALATES OF MOLLUSCA 



Trochus magus. 



Iineatus. 

 Helix pomatia. 



Limax marginata. 



12 SELECTED DIATOMS. 



Coscinodiscus robustus. 

 Trinacria reg-ina. 

 Heliopelta Leeuwenhceckti. 

 Arachnoidiscus Ehrenbergii. 

 Aulacodiscus Kittonii. 

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,, therniophilus. 

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■5s. for 12 Slides. 



Patella vulgata. 

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„ (opaque.) 



Series 1— 5s. for 12 Slides. 



Surirella striatula. 

 Campylodiscus costatus. 

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 Actinocylus Ehrenbergii. 

 Actinoptychus senarius. 



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