EXPLANATION TO PLATK II. 



FIG. 1. Srrtiiluriit i-lntUrinjcri Nulling. Portion of stmi anM brandies from Allman'a type of Desmoscyphus pectinctins 



Allman (enlarged). 



;.'. Xi-rliiliii-i<i rlinl/i'iii/i-ri. Part of branch from same sjieciinen (greatly enlargcil). 

 :;. SiTlii/nriii iijii'i-i'iil/iln Liiiincus. Portion of branch with gonangium (enlarged). 

 4. fv'iin/iiriii (i/H'i-i-ii/iilii. A pair of hyilrothccM- (greatly enlarged). 

 .">. ,s; I'tii/in-iii njH'i-rii/iilii. Side view of hydrotheca (greatly enlarged). 



6. 8ertnlttr!(i jtnlrhcHa, (d'(lrbigny). Portion of branch with gonanginm (enlarged). (After d'Orbigny.) 



7. Serlularia pulchella. Part of branch with gnnangium (enlarged). (After Clarke's drawing of ti'i 



fiirrutn Trask.) 



8. Serliifiii-in bixjiiiiofsn (Gray). Part of branch (enlarged). 



9. Si'i-liiJni-in liixjiiiiuxii. Pair of hydrothecaj (greatly enlarged). 



10. Sertularia bispinosa. Side view of branch (enlarged). 



11. K'litiliiriii liix/, inum. Side view of hydrotheca (greatly enlarged). 



156 



