l[S LA TOUCHE: GEOLOGY OF NORTHERN SHAN STATES. 



Sinian system, and consists of limestones, the Tsij-nan and Ki-sin- . 

 ling limestones, in "which a number of Ordovician fossils have been 

 found ; and although none of the Burmese species, except the 

 cosmopolitan Ortliis palligramma and 0. (Dalmanella) testudinaria are 

 identical, yet the facies of the fauna seems to be distinctly similar, 

 as the following list, compiled from those given by Bailey Willis, 1 

 will show : — 



Cornulites sp. 



Lingula (?) sp. 



Orthis calligramma Dalman. 



i „ (Pleclorthis) Willisi "VVeller. 



., {Dalmanella) testudinaria Dalman. 

 Strophomena sp. 

 Clitanibonites chinensis Weller. 2 



,, (Hemipronites) tenuistriata Weller. 

 Triplacia Poloi Martelli. 3 

 Cyrtodonta (?) sp. 

 Vaginoceras sp. 

 Ampyx chinensis Weller. 



,, cf. costatus Boeck. 

 Asaph us IcBvis Weller. 



,, asiaiicus Weller. 



,, chinensis Weller. 



,. cf. expansus Dalman. 

 lll&nus (?) bronleoides Weller. 

 Megalopsis minor W T eller. 

 Bathyurus sp. 

 Isotelus sp. 

 Proetus (?) sp. 

 Calymene (?) sp. 

 Ptenjgometopus (?) sp. 



Porambonites intercedens Pander, a fossil which occurs at Leby- 

 sungbyan and f^edaw in the Shan States, has also been recognised 

 6y Martelli, 4 from the lower Silurian (Ordovician) of Shan -si. 



i Op. dt., Vol. I, Pt. I, p. 270. 



- Stuart Weller, ])eseri|itions of New Species of Ordovician Fossils i.t.in China; 

 Proe. U. S. Nat. Mue., Vol. XXXII, p. 5. r >7. 



3 A. Martelli, Fossili dol Siluria.no Infcriore dello Schensi (C'ina.) ; Bell. £ci. Gcol. 

 Ualiana, Vol. XX, p. 295. 



* Oi>. dt., p. :;04. 



