Fig. 172. Spirobraclna grandis: A - front end of a fully extended male from the ventral side; 

 В - metameric papillae; С - part of the metameric section of the metasoma of a female from the 

 right side ; D - pulvillus with a cuticular plaque from the front part of the metameric section, and, 

 E - one from the hind part of the same section. 



dgt - ducts of pyriform glands seen by transparency;/- keel of the bridle; go - genital papilla; 

 p - cuticular plaque; pa - papillae; pu - pulvillus; sv — ventral sulcus; tc - tentacular crown; 

 te - external tentacle. (D and E - after Ivanov, 1952.) 



Fig. 173. Spirobrachia grandis: Spermatophore. 



fil - filament of spermatophore. (After Ivanov, 1952.) 



