PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 23 

 Table II. — Measurements" Continued. 



Current number of specimen 



21,0015 

 La Have. 



21,001c 

 La Have. 



21,001 d 

 La Have. 



21,001 e 

 La Have. 



21,005 a 

 Halifax. 



21,0056 

 Halifax. 



21,017 

 Halifax. 



21,047 a 

 Halifax. 









lOOths. 



lOOths. 



lOOths. 



lOOths. 



lOOths. 



lOOths. 



lOOths. 



lOOths. 



Extreme length, in inches . . 

 Body: 



10.2 



0. 295 

 0. 065 



0.16 

 0.04 

 0.06 



11.5 

 0.299 



12 



0. 33 



12.25 

 0.325 



15.75 

 0. 37 



19 



0. 35 



16. 25 

 0. 336 



19 



0.32 



Head: 



Greatest length 



0.16 



0. 165 



0. 16 



0. 155 



0. 155 



0.157 



0.155 



Length of mandible 

































Pectoral : 





































Ventral : 





















0. 052 

 0. 065 

 115 



97 



11 

 6 



112 

 119 



0. 047 

 0. 058 

 110 



95 



11 

 6 



130 

 128 





0. 055 

 0. 065 

 113 



98 



13 

 6 



117? 

 117? 



0. 053 

 0. 062 

 105 

 92 

 12 

 6 



109 

 115 



0. 047 

 0. 063 



120 



100 

 11 

 6 



133 

 127 



0. 055 

 0. 06 

 106 



90 



12 

 6 



125 

 128 



0. 057 

 0. 063 

 111 



95 



10 

 6 



127 

 125 



(eye side) 







107 



83 

 12 



Number of scales in lateral 



line (blind side) 



(eye side) 



115 

 110 



Current number of specimen 

 Locality 



Extreme lengtb, in inches . 

 Body: 



Greatest height 



Leist height of tail 



Head: 



Greatest length 



Length of maxillary 



Length of mandible , 



Diameter of orbit 



Pectoral : 



Distance from snout 



Length 



Ventral : 



Distance from snout 



Length (blind side) 



(eye side) 



Dorsal 



Anal 



Pectoral 



Ventral 



Number of scales in lateral 



line (blind side) 



(eye side) 



21,047 5 

 Halifax. 



lOOths. 



24. 25 

 0. 37 



0.175 



0. 047 

 0. 06 

 106 



92 



12 



117 



122 



21,019 a 

 Halifax. 



lOOths. 



21.5 



0. 365 

 0. 07 



0. 16 



0. 03 

 0. 05 

 0. 05 



0.157 

 0. 14 



0. 

 0. 

 0. 

 109 



12 



117 

 121 



21,019 6 

 Halifax. 



lOOths. 



19 



0. 375 

 0. 07 



0.156 

 0. 03 

 0. 05 

 0. 05 



0. 160 

 0.11 



0. 17 

 0. 057 

 0. 067 

 113 



99 



11 



21,019 c 

 Halifax. 



lOOths. 



20 

 0.316 



0. 152 



0. 065 

 0.075 

 106 

 91 

 11 

 6 



132 

 117 



21,019 d 

 Halifax. 



lOOths. 



20. 25 

 0. 33 



0.155 



0. 055 

 0. 06 

 114 

 97 

 11 



21,019 e 

 Halifax 



lOOths. 



19 



0. 34 



0. 15 



0. 05 

 0. 06 

 102 

 87 

 11 

 6 



119 

 115 



21, 032 

 Halifax. 



lOOths. 



21,061a 

 Halifax. 



lOOths. 



19. 25 

 0. 365 



0. 175 



0. 067 

 0. 077 

 106 

 90 

 11 



129 

 125 



114 mm. 



0. 245 

 0. 055 



0. 165 

 0. 045 

 0. 06 

 0.06 



0.17 

 0. 08 



0. 20 

 0. 055 

 0. 055 

 104 



87 



14 



NOTE ON FROM COSTA RICA KITCHE1VMDDEN, COL- 



LECTED BY DR§. FLINT AND IS HANSFORD* 



By W. II. DALL. 



In their archaeological explorations in Costa Eica, while examining 

 the shell- mounds of Culebra near the western coast, a number of shells 

 were obtained from the mounds to exhibit the species of which the 

 shell-heaps were composed. They are, of course, in a semi-fossil condi- 



