134 CALIFORNIA ACADEMY OF SCIENCES. 



Liiulaker's description can easily be recoguized as that of a Tr'mucleus, 

 approaching T. ornatus Sterulj. He indicates the limb with the genial 

 angles extending into spines, also the three iDiotuberances of the head, 

 and the trilobation of the body, with its divisions into segments, The 

 author also states that thp fossil is often found extended or rolled into a 

 ball. 



Lindstrom (G.) Normina fossilium Siliiriensium Got- 

 landise, Visby, 1867. 



This pamphlet contains a catalogue of the Silurian fossils of Gothland. 



List of fossils of the Upper Silurian formation 



of Gothland. Stockholm, 1885. 



Forteckning pa Gotland Siluriska Crustaceer. 



In Ofversigt. Kongl. Vet. Akad. Forhandlingar, 1885. No. 6, p. 37, pis. 

 12-16. 



Phacops vulgaris Salt., P. imbricatida Aug., P. ohtusa n. sp., P. doivn- 

 Ingice Murch., P. quadrilhieata Aug., P. mushenl Salt. Cheirurus speciosits 

 His., C. conformis Ang., O. himucronatus Murch., C. gotlandicus n.sp. 

 Sphcerexochus scahridus Ang., S. latifrons Ang., 8. laciniattis n. sp., .5. bei/- 

 richi n. sp. Youngia u. g., Y. trispinosa E. & N., Y. glohiceps n. sp., Y. 

 inermis n. sp. Beiphoit J'orbesi Barr. Encrinurun punctatus Briinn, E. 

 lavis Aug., E. obtiisus Ang. Acidaspis crenata'Emm.., A. barr andd Aug., 

 A. marklini Aug., A. pectinata Ang., A. ( Trapelocera) bicuspis Ang. 

 Lichas concinnus Aug., L. latifrons Ang., L. palifer n. sp., L. araneus 

 n. sp., L. ornatus Ang., L. marginatus n. sp., L. visbyensis n.sp., L. jAica- 

 ius n. sp., L. triqnetrus n. s^j., L. rotundifrons Ang., L. gotlandicus Ang. 

 Trochurus salteri Fletcher, T. pusillus Ang. Harpes acuminatus n. sp. 

 Cahjmene tuberculata Briinn, C. tuberculosa Dalm., C. sjiectabilis Ang., 

 C. loevis n. sp., C'.frontosa n. sp., C. intermedia n. sp., C. excavata n.sp., 

 C. papillata n. sp. Homalonotus knighti Konig. Phaetonides stokesi 

 Murch., P. rugolosus u. sp., P. longifrons n. sp. Ci/phaspis eleganiula 

 Ang., C. punctillosa n. s-p. Proetus co7icinnus DslIui., P. obconicus n. sp., 

 P. distans n. sp., P. acutus n. sp., P. conspersus Ang., P. signatus n. sp., 

 P. granulatus n. sp., P. verrucosus n. sp. Illannus bnrriensis Murch., 

 /. sulcatus n. sp., /. holmi n. sp. Bronteus platyactin Aug., B. markUni 

 Ang., B. polyactin Aug., B. irradians n. sp., B. umbonatus n. sp., B. creb- 

 ristratus n. s^a. Euriipterusfischeri Eichw. Pterijgotus osiliensis Schni. 



Linnarsson (.J. G. 0.) Om de Siluriska bildningarne 

 i Mellersta Westergotland, 1. 



In Akad. Afhandling som med tillstond af Vidtberumda FilosoHska 

 Fakulteten i Upsala, etc., 1866, 2 pis. 



The Trilobites are grouped as follows: Phaeopidas: Phacops. Cheiru- 

 ridffi: Pliomera, Ci/rtometopus, Spharexochus. Encrinuridje: Cybele. 



