THE GEPHYREA OF JAPAN. 



87 



List of Abbreviations used in the plates. 



a., K\\\w. 



*i(.f., Anal g];ui<l. 



A., Transverse liar of lioolc. 



re. Contractile villi. 



dm., Dorsal muscle. 



dv.. Dorsal vessel. 



em., Erector (or radiating;) muscle 



of ventral hook. 

 /■///., Fixing muscle. 

 fa., Ciliated finint^l. 

 <j., Ganglion. 

 Id:., Hook. 

 U., Heart. 



/>',, Intestinal convolution. 

 i'ni., Interbasal muscle of ventral liook. 

 m.. Mesentery. 

 inf., Muscle-fibres. 



nc., Xerve-cord. 



ni., Neuro-intestinnl vessel. 



i)d.., Ovid net. 



Of'.. Œsophagus. 



pa., Pieces of digestive canal. 



p/i , Pharynx. 



rg., Rectal gland. 



f\.. Reticular tissue. 



/■;., Warts or ' Rnn.a'ln.' 



.s'///., Spindle muscle. 



M)., Segmental organ. 



sr.. Spermatic reservoir. 



SX., Sexual organ. 



vd.. Vas deferens. 



vm., Ventral muscle. 



œm., Wing-like muscle. 



