246 Scientific Intelligence. 
have crept into the classification of the group. To reéstablish 
under these circumstances a certain amount of order in the classifi- 
all this material. ith his extensive knowledge of Acalephs 
obtained during frequent visits to different points of the seashore, 
e proposes to revise the whole group, adding to the species 
R don 
development of Acalephs, which have given Heckel so prominent 
a place i ; 
It seems unfortunate that Heckel’s facility for coining new 
names should lead him to reject so frequently the established 
confusion. This extreme method is not limited with Heckel a 
the higher groups, but extends systematically to families, 80 
families and even genera, so that it will hereafter often be ex- 
confusion which is so frequently his theme is indeed only increase 
by his own equally arbitrary proceedings. 
