300 HAAS: ABIDA AND CHONDRINA. 



I have now been able to study material from 22 localities, 

 in 412 specimens, and it appears fitting to give the data of 

 each locality, to show the latitude of variation. The order of 

 localities is from north to south. 



In the following paragraphs, a in the tooth-formula denotes 

 presence of an angular lamella. The number of specimens is 

 enclosed in parenthesis following the formula. 



Sitges, Prov. Barcelona (in Rossmaessler, Icon. Ill, p. 110, 

 as "Sitchez"), Sanchez Comendador leg., 8 examples, all 

 a-1-0. Length 4 to 5, diam. 2 to 2.5 mm. 



Forat Negre near Vandellos, Prov. Tarragona, Dr. P. Font 

 Quer leg., 2 specimens, all a-0-0. Length 4 to 5.5, diam. 2 

 to 2.5 mm. 



Mount Montsant, Prov. Tarragona, Dr. P. Font Quer leg., 

 13 specimens. 0-0-0 (1) ; a-1-0 (9) ; 2-1-0 (3) ; 2-1-^ £ (3) ; 

 2-2-0 (1) ; 2-2-2 (8). Length 4.75 to 7.25, diam. 2.25 to 3 

 mm., 6y 2 to 8 whorls. 



Mount Mola de Falset, Prov. Tarragona, F. Haas leg., 9 

 specimens. 0-0-0 (1) ; 0-1-0 (1) ; a-0-0 (1) ; 1-1-0 (1) ; 

 and 2-1-0 (5). Length 5 to 7.5, diam. 2.5 to 3.5 mm. 



Sierra de la Picosa at Mora, Prov. Tarragona, F. Haas leg., 

 1 example, 0-0-0. 



Alfara, Prov. Tarragona, F. Haas leg., 14 specimens, as fol- 

 lows: 0-0-0 (1); a-1-0 (5); 2-1-0 (5); and 2-1-2 (3). 

 Length 4 to 5.5, diam. 2.5 to 2.75 mm. ; 5%-7 whorls. 



Sierra de la Mola de Tortosa, Prov. Tarragona, 1000-1200 

 m., F. Haas leg., 4 specimens, all a-1-0. Length 4.5 to 5.25, 

 diam. 2.5 mm. 



Roquetas near Tortosa, Prov. Tarragona. Longinos Navas 

 leg., 36 examples, as follows: 0-0-0(2); a-0-0 (5) ; a-1-0 

 (21) ; a-l-i (2) ; 2-1-0 (6). Length 4.5 to 6, diam. 2.5 to 

 3 mm. ; 7-7!/2 whorls. 



Barranco del Salt del Cabrit, 1000 m., Monte Caro near 

 Tortosa, Prov. Tarragona, Dr. P. Font Quer leg., 24 speci- 

 mens, as follows: 0-0-0 (2) j 0-1-0 (2) ; a-1-0 (3) ; 1-1-0 (1) ; 

 and 2-1-0 (16). Length 5 to 6.5, diam. 2.5 to 3 mm.,- 6y 2 - 

 7y 2 whorls. 



La Censola, 1400 m., Monte Caro near Tortosa, Prov. Tarra- 



