CEPHALOCHORDA. 



Table II. B. lanceolatum, var. belcheri (58 specimens). 



223 



Locality. 



(1.) 10 miles North of 

 Cheval Paai', 7. 1 , 

 fathoms . 



(2.) Off Karativo Paar, / 



10 fathoms . . \ 



(3.) Off Karkopani, 8/ 

 fathoms . . . (_ 



(4.) Off Mutwal Island, 



1 4 fathoms . 



(5.) Periya Paar Kcr- 

 rai, 7.1 fathoms . 



(6.) Off Ghilaw Paar, 

 10 fathoms . 



(7.) West Cheval Paar, 

 7i fathoms . . 



(8.) Near Periya Paar, 

 1 1 fathoms . . 



.Myotome formula. 



,' Length. Sex. 



num. her. & 



I. 

 II. 



III. 

 IV. 

 V. 

 VI. 



VII. 



VIII. 

 IX. 



X. 

 XI. 



XII. 

 XIII. 

 XIV. 



XV. 



XVI. 

 XVII. 

 XVIII. 



Number of 

 gonads. 



Total. 



millima. 



52 

 48 

 52 

 56 

 50 

 46 

 39 



46 



40 



49 



.".9 



43 

 42 



54 

 52 

 55 



48 



f. 

 f. 

 f. 

 f. 



m. 



f. 



f. 



immature 



f. 



m. 



m. 



none 



f. 

 f. 



f. 

 f. 

 f. 

 m. 



Pre- 



atrial. 



37 

 37 

 37 

 37 

 37 

 38 

 38 



Pre- 



anal. 



18 

 17 

 18 

 18 

 17 

 18 

 17 



Post- 

 anal. 



64 

 63 

 61 

 64 

 63 

 64 

 64 



20 R. 20 L 



immature 



26 R. 26 L. 



27 R. 25 L. 

 24 P. 26 L. 

 29 R. 26 L. 



38 



37 

 38 

 37 



17 

 17 

 is 

 17 



9 64 



9 63 



8 64 



9 63 



