Report of the State Geologist. 

 5 



545 



Fig. 231.— Lingula f Leseuri 

 Ronault; with pedicle. (David 

 son.) 



Fio. 230. — Lingula paracletus, 

 Hall. Interior of pedicle- valve. 



Subgenus Glottidia, Dall. 1870. 



Animal free, and forming a tube or capsule about the pedicle 

 by the agglutination of sand grains, etc. ; pedicle highly con- 

 tractile. Interior of pedicle-valve with two septal ridges 

 diverging from the beak; brachial valve with a single median 

 ridge. 



Type, G. albida^ Hinds (sp.) 



Qlottidia Palmeri. 

 Fig, 232.— Interior of pedicle-valve. 

 Fig. 233.— Interior of brachial valve. (Davidson.) 



Distribution. (Fossil?) Recent (California, the Carolinas). 

 This subgenus is regarded by Dall as the representative of 

 Lingula in American seas. 



1891. 69 97 



