Barnacles of the Genus MegaUisma. 



373 



from 9/11 to 10/12 segments. Caudal appendages very 

 short, not more than one-fifth as long as peduncle of sixth 

 cirri. 



Fijr. 7. 



Megalasma (Glyptelasma) hamatum, sp. n. Specimen from coast 

 of Cuba. 



A. Lateral view. B. Basal angle of scutum, inner surface. C. Scutum 

 from occludent aspect, to show eversion of basal margin. 



Measurements. — Length of capital um (to middle of bas 

 margin) 24 mm., breadth 12'5 mm. 



Remarks, — It is only after considerable hesitation that ah 



