CHAETOGNATHA, 



Krohnia hamata. 



Sajitta hamata, Moebius, Zoologische Ergebnisse der [' Pommerania '] Nordseefahrt : Vermes. Jahres- 

 bericht der Commission zur wissenschaftlichen Untersuchung der Deutscben Meere, Jabrgang 

 II., III. (1875), p. 158 ; pi. iii., fig. 13-16. 



Quite typical specimens of this species were captured, sometimes in large 

 numbers, but the majority were small and immature specimens, under 15 mm. 

 Formulae, based on 21 specimens : — 



The occurrences of these species at the various stations are presented below in 

 tabular form. 



y 2 



