. Science-gossip. being founded i hieflj on the positi i the eyes, are not so much at variance as one might.,! modi in research seems tobe to increase the number of these families, ab n 1 . I . n the male arc the p ilpal organ i, lh cubital lints I Ipi, with their apophyses when present, and in the height of the ? Up and the female is :i very good sp iracter, as is often the case with I nticulations. With regard to the family Theridiidae, the forma-tion i genera is a mattei ol ureal difficulty, owing tothe similarity existing between the numerous spAs the matter now stands, il is m i les
. Science-gossip. being founded i hieflj on the positi i the eyes, are not so much at variance as one might.,! modi in research seems tobe to increase the number of these families, ab n 1 . I . n the male arc the p ilpal organ i, lh cubital lints I Ipi, with their apophyses when present, and in the height of the ? Up and the female is :i very good sp iracter, as is often the case with I nticulations. With regard to the family Theridiidae, the forma-tion i genera is a mattei ol ureal difficulty, owing tothe similarity existing between the numerous spAs the matter now stands, il is m i lessa choiceh .v. in the few genera o! Blackwall, and the multi-tude adopted by Continental arachnologists. I shallnot, in iliis list, retain any .il Blackwalls genera,as hasbeen done by the Rev. O. P. Cambridge in TheSpiders of Dorset, although these are better knownhere. It is my opinion that by complicating thi^family with genera based on microscopic details, oneputs a very considerable difficulty in the way of. Fio. III. British arrangement of eyes in families. forms being removed from the position originally ; hem. and new families formed lor theirreception. The families are further sub-divided into genera,and here very obvious difficulties arise. There aremany differences which may he regarded as genericcharacters, and the trouble seems to he that oflining which of these is of the greatestimportance. The position ol thee; My very typical, but, in the m, andthe foi maxillae and labium are usually ded as important generic indications, but many-other differences are often taken into account. Fig. IV. Amaumbius eyes in front. Radial apophysc. Vulva. is. We must not lose sight of the fact thatspecies, after all, are the only real existing thinf.;that genera are an arbitrary arrangement for con-venience in clas
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