226 CALIFORNIA ACADEMY OF SCIENCES. 



chambers are 2i to 3 mm. in width. The anterior chambers are nearly 

 double as wide, and they are divided by a transverse furrow (which is 

 probably a line of fracture) into two equal parts. The thirteenth cham- 

 ber lies under the glabella. 



- Ueber einige neue ehstlandische Illsenen. 



In Mem. Acad. Imp. Sci. St. Petersburg, vol. 8, No. 9, 1864, 2 pis. 

 Jlht-nus schmidtii Nieszk., also var. /. roemeri 11. sp., /. lauricornis Kut. 



Ueber Herrn von Eichwald's Beitrag zur 



naheren Kenntniss der Illsenen, etc. 



In Bull. Soc. Imp. des Naturalistes, Moscou, 1866, No. 1, p. 77. 



Wahlenberg ( Geo.) Petrificata telluris Suecana. 

 Upsalise, 1818. 



This work was published and distributed in 1818 as a separate article, 

 in advance of the Nova Acta Keg. Soc., vol. 8, 1821. 



Petrificata telluris Suecana examinata a 



Georgio Wahlenberg. 



In Nova Acta Keg. Soc. Sci., Upsal., vol. 8, 1821, pp. 1-116, pis. 1-4. 



1, Entomotstracites expansus Liiine. 2, E. crassicauda n. sp., pi. 2, figs. 

 5 and 6. 3, E. laticauda n. sp., pi. 2, figs. 7 and 8. 4, E. caudatus Britnii, 

 pi. 2, fig. 3. 5, E. grannlatus n. sp., pi. 2, fig. 4. 6, E. tuberculatus 

 Briiiin. 7, E. punctatus Britiin, pi. 2, fig. 1.* 8, E. lac hiatus n. sp., pi. 2, 

 fig. 2." 9, E. paradoxissimus Liniie, pi. 1, fig. 1. (Paradoxides tessini 

 Broiig.) 10, E. bucephalus n. sp., pi. 1, fig. 6 (hypostoma of Paradoxides 

 tessini Broiig.) 11, E. spinulosus n. sp., pi. 1, fig. 3. 12, E. gibbosus 11. sp., 

 pi. 1, fig. 4. 13, E. scarab<xoides 11. sp., pi. 1, fig. 2. 14, E. pisiformi* 

 Liiine, pi. 1, fig. 5. 



Additamenta qusedam ad petrificata telluris 



Suecana. 



In Nova Acta Keg. Soc. Sci., Upsal., vol. 8, 1821, pp. 293-296, pi. 7. 



1, Entomostracites crassicauda, pi. 7, fig. 5 ( Illcenus esmarki Schloth.) 

 2, E. laticauda n. sp., pi. 2, fig. 8 ( Bronteus laticauda). Fig. 7 is referred 

 to Homalonotus punctill Tornq. Entom. expansus Linne. 4, E. extenua- 

 tus n. sp., pi. 7, fig. 4. 5, E. tuberculatus Briinn. 6, E. caudatus Briinu. 



Walch (J.E. T.) Des Trilobites dans le regne des 

 purifications, ou de la conque ridee a trois lobes (concha 

 triloba rugosa). Recueil des monumens des catastrophes 

 que le globe de la terre a essuiees, contenant des petri- 

 fications. (Knorr, G. W.) Vol. 3. Nuremberg, 1775, 

 p. 105. 



