ORDOVICTAN AND SILURIAN BRACHIOPODA OF THE GIRVAN DISTRICT. 971 



INDEX OF GENERA AND SPECIES. 



Acroth.de 

 Acrotreta 

 Actonire, Orthis 

 acutiplicata, Porambonites 

 advena, Chonetes 

 albida, Paterula 

 amabilis, Lingula 

 Andersoni, Cliftonia 

 angustifrons, Whitfieldella 

 antiqua, Pholidops . 

 antiquata, Strophomena • 

 applanata, Scbnchertella . 

 mlmillanense, Lingulasma 

 ardmillanensis, Orthis 

 ardmillanensis, Rhynchotreta 

 avenacea, Stropheodonta . 

 Armstrongi, Orbiculoidea 

 ascendens, Clitambonites 

 asteroidea, Schizocrania . 

 Atrypa 

 Atrypina 

 audax, Obolus 



balclatchiensis, Camarella 



balclatchiensis, Metacamarella 



balclatchiensis, Orthis 



balclatchiensis, Paterula . 



balclatchiensis, Rhinobolus 



Barrandei, Atrypina 



Barrandella . 



basalis, Orthis 



bellatrix, Orthis 



biforata, Orthis 



biloba, Orthis 



Bilobites 



Bouchardi, Rhynchospira 



Brachyprion . 



brevis, Lingula 



brumalis, Rafinesquina . 



calligramma, Orthis 

 Camarella 

 Camarotoechia 



camreganensis, Rhynchospira 

 canadense, Lingulasma . 

 carrickensis, Hemipronites 

 carrickensis, Protozyga . 



TRANS. ROY. SOC. EDIN., VOL. 





PAGE 





PAG 15 





. 813, 814 



Chonetes .... 



. 915 





. 815, 816 



Christiania .... 



. 902 





. 860, 861 



Circe, Meristella 



. 954 





. 923 



Cliftonia .... 



. 913, 914 





. 915 



Clintonella .... 



. 947 





. 800 



Clitambonites . 



. 916, 917 





. 803 



Coelospira 



. 955, 956 





. 913 



columbaria, Stropheodonta 



. 896 





. 953 



complectens, Clitambonites 



. 916 





. 825 



compressa, Glassia . 



. 946 





. 902 



concentrica, Rafinesquina 



. 864 





. 906 



confinis, Orthis 



. 847 





. 808 



conoidea, Conotreta 



. 817 





. 831 



Conotreta .... 



. 817 





. 941 



Conybearei, Camarella 



. 925 





. 891 



corrugatella, Stropheodonta 



. 891 





. 820 



costata, Acrotreta . 



. 815 





. 916 



craigensis, Trematis 



. 818 





. 819 



craigensis, Triplecia 



. 908 





947, 948 



crassa, Orthis 



. 849 





. 946 



crispa, Orthis 



. 842 





. 798 



crumenoides, Lingula 



. 804 







cuneata, Rhynchotreta 



. 942 





923-925 



cuneatella, Camarella 



. 926 



1 



.934 



Cyclospira .... 



. 949, 950 





. 840 



cymbula, Dayia 



. 948 





. 800 



Cyrtia .... 



. 951 





. 802 









. 946 



Dalmanella .... 



. 849-856 





933, 934 



Davidsoni, Dinobolus 



. 801 





. 849 



Davidsoni, Micromitra . 



. 797 





. 841 



decemplicata, Camarotcechia . 



. 943 





. 845 



deficiens, Strophomena . 



. 903 





. 848 



deltoidea, Rafinesquina . 



. 866, 867 





. 848 



depressa, Pseudocrania . 



. 826 





. 951 



Dinobolus . 



. 801 





. 896, 897 



Dinorthis . 



. 837-840 





803, 804 



divaricata, Pseudocrania 



. 826 





. 870 



di versa, Cyclospira 



. 950 







donax, Stropheodonta 



. 892 



. 8i 



17, 828, 829 



dorsata, Orthis . . . . 



. 846 





923-926 



drummuckensis, Philhedra 



. 822 





943, 944 



duftonensis, Orthis 



. 832 





. 952 









. 808 



Eicluvaldia .... 



. 936 





. 918 



elegantula, Orthis . 



. 850 





. 945 



ernerita, Parastrophia 



. 927 



N., VOL. L 



I, PART IV 



(NO. 26 . 



138 



