842 



CAMBRIAN BRACHIOPODA. 



LinguleUa (Lingulepis) exigud, described I 



compared with Lingulella tumida I 



Linguldla {Lingulepis) gregwa 554, i 



LiTigulella (Lingulepis) longinervis i 



Lingulella {Lingulepis) pumila I 



Lingulella {Lingulepis) roberti I 



confused -with. Lingulella (Lingulepis) gregwa 554,J 



Lingulella (Lingulepis) gregwa i 



general geographic and stratigraphic distribution tabr- 



ulated 



type specimen not figured. 



young shells more elongate than adult shells 



gregwa described J 



compared with Lingulella atava , 



Lingulella isse i 



Lingulella radula i 



Lingulella triparilis i 



Lingulella (Lingulepis) exigua 552,553, J 



Lingulella (Lingulepis) longinervis i 



Lingulella (Lingulepis) pumila i 



Lingulella (Lingulepis) roberti i 



general geographic and stratigraphic distribution 



tabulated 



type specimen not figured. 



species confused with 479, 4S0, 537, 554, i 



young shells more elongate than adult shells 



gregwa rohusta, described j 



general geographic and stratigraphic distribution tabu- 

 lated 



type specimen not figured. 



longinervis, described \ 



compared with Lingulella triparilis j 



Lingulella (Lingulepis) pumila \ 



Lingulella (Lingulepis) roberti J 



Obolus parvus 



general geographic and stratigraphic distribution tabu- 

 lated 



type specimen not figured. 



pumila, described i 



general geographic and stratigraphic distribution 



tabulated 



type specimen figured Pi. XLV, fig 



pygmxa, described i 



general geographic and stratigraphic distribution 



tabulated 



type specimen figured PI. XXX, fig. 



roberti, described I 



compared with LinguleUa grandis i 



Lingulella irene i 



Lingulella mariinensis I 



general geographic and stratigraphic distribution 



tabulated : 



type specimen figured PI. XXXVII, fig. 



rowei, described I 



general geographic and stratigraphic distribution 



tabulated : 



type specimen figured PI. XXI, fig 



spatula, described I 



general geographic and stratigraphic distribution 



tabulated 



type specimen figured PI. XIX, fig 



squamosa, described i 



general geographic and stratigraphic distribution 



tabulated : 



type specimen not figured. 



starri, described I 



compared with Lingulella minor l 



Lingulella (Lingulepis) exigua 553, i 



general geographic and stratigraphic distribution 



tabulated 



type specimen not figured. 



type specimens lost i 



sp. undt., described i 



general geographic and stratigraphic distribution 



tabulated 



type specimen not figured. 



^^Lingulepis dalcotensis," compared with Lingulella cuneola 



"lusitanica," typeoi DclgadcUa i 



" matinalis, " name proposed by Hall * 



' ' Lingulepis " — Continued. 



"mceki," specific reference discussed I 



"minima/' mentioned t 



"pinnaformis," compared with Lingulella cuneola -; 



mentioned ^ 



synonymy of forms referred to * 545-' 



'^starri var.," discussed t 



(Lingulepis), see Lingulella (Lingulepis). 



*^ Lingulobolus affinis cuneata," discussed ^ 



(LiTigulobolus), see Obolus (Lingulobolus). 



Linguloids, shell structure of : 



Lingulops, mentioned ..-.-> '. 



platform mentioned ; 



Linnarsson, J. G. O., bibliogi'aphic references 



genus named for ( 



species named tor 516, ' 



Linnarssonella, described ( 



cardinal area discussed J 



classification of 321 , ; 



compared with Dicellomus J 



Oboldla ; 



Obolella ailantica ; 



Obolus ; 



evolution discussed ; 



evolution of i 



general geographic and stratigraphic distribution of the 



species referred to 



general stratigraphic distribution and number of Cam- 

 brian species and varieties of 



muscle scars discussed ! 



number of Ordovician species and varieties of 



number of species of, in different types of sediment ... 



pedicle tube discussed ; 



reference to, of Linnarssonella tennesseensis discussed. ( 



type species Linnarssonella girtyi i 



vascular markings discussed ; 



"broadhcadi ," discussed i 



girtyi, described i 



cardinal area discussed : 



compared with Linnarssonella modesta i 



Linnarssonella tennesseensis I 



Linnarssonella transversa i 



Linnarssonella urania ( 



general geographic and stratigraphic distribution tabu- 



occurrence discussed 



type of Linnarssonella 



type specimen figured Pi. LXXIX, t 



minuta, described 



compared with Linnarssonella girtyi 



Linnarssonella modesta 



Linnarssonella nitens 



general geographic and stratigraphic distribution tabu- 

 lated 



occurrence mentioned 



type specimen not figured. 



modesta, described 



cardinal area discussed ■ 



compared with Linnarssonella nitens 



Linnarssonella transversa 



Linnarssonella urania ^ . 



general geographic and stratigraphic distribution tabu- 

 lated 



occurrence mentioned 



type specimen figured PI. LXXVIII, fi] 



nitens, described 



compared with Linnarssonella modesta 



genera! geographic and stratigraphic distribution tabu- 

 lated 



occurrence mentioned 



type specimen figured PI. LXXVIII, f 



tennesseensis, described 



compared with Linnarssonella modesta 



general geographic and stratigraphic distribution tabu- 

 lated 



occurrence mentioned 



type specimen figured PI. LXXIX, £ 



transversa, described 



compared with Linnarssonella modesta 



Linnarssonella nitens 



