IIYIHMMD /oolMIYTrX 3 



FAM. TUBULARIIDAE. 



Tubulttrm nilfikii. Bale. 1(>-20 fathom*. 

 Tubataria Hodyioni, up. n. ISO fathom*. 

 Tubularia longttaffii, sp. n. 124 fathoms. 



FAM. CORYNIDAE. 

 Two undetermined specie*. 0-20 and 100 fathoms. 



FAM. CORYMORPHIDAE. 

 Lmmprn /wnda, sp. n. 10-20 fathoms. 

 Lampra micrtrkua, tp. n. E. end of Barrier. 300 fathoms. 



FAM. MYRIOTHELIDAE. 

 J/yriotMa (?). 



* 



CALYPTOBLASTEA. 



FAM. 8ERTULARIIDAE. 

 Srrtvlartlla tpirali*, sp. n. 130 fathoms. 

 Strtularttla phttHu, sp. n. 0-130 fathom*. 

 Dietyxladium fturtim, sp. n. Coalman Island. *-15 fathoms. 



FAM. PLUMULARIIDAE. 



/'lumitlaria glacialu, sp. n. E. end of Barrier. 100 fathoms. 



FAM. CAMPANULARIIDAE. 

 SUB-FAX. ( 'AMI-AM I.AUIINAK. 



Campanularia tvrtirillata, Linna>iu. New variety. 10-20 fathoms. 

 Campanulana eerrta, Clark. 0-20 fathoms. 

 Campmularia latvit, Hartlaub. 0-20 fathoms. 



SUB-FAX. UALKCIINAE. 



Halteivm orbortvm, Allman. E. end of Barrier and McMurdo Bay. 0-180 fathoms. 

 flaltfium teruUum, Hincks. 10-20 fathoms. 



SUB-FAX. LAFO^INAE. 

 Lafotina Imgtfhtca, Jaderholm. 0-20 fathoms. 



FAM. EUCOPIDAE. 



nbflia ytnitnlaJa, Linnnos. Auckland Islands. 

 Campanulina (A). 0-20 fathoms. 

 Campanuluta (B). 0-20 fathoms. 



THE CLASSIFICATION ADOPTED. 



One of the greatest difficulties that the systematic zoologist has to meet in writing 

 an account of a collection of Hydrozoa is the determination of the system of classifica- 

 tion that he will adopt There are so many different opinions as to the relative 

 systematic value of the characters presented by the hydrosome and gonosome 

 respectively, and our knowledge of the extent of the modification of these characters 

 by environmental conditions is so imperfect that every system of classification that 



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