No. 2.] COMPARATIVE CYTOLOGICAL STUDIES. 
503 
Form. 
A Single 
Nucleolus. 
More than One Nu- Nucleolus and 
cleolus, All Alike. Paranucleolus. 
' Julus 
Geophilus 
Glomeris 
^ Lithobius 
Peripatus 
' Blatta 
Nepa 
Notonecta 
Carabus nemoralis 
Gryllotalpa 
Pieris 
Anabolia 
Bombus 
Anomalia 
Ophion 
Ephialtes 
Pemphigus 
- Musca 
Necrophorus 
Geotrupes 
Banchus 
Pimpla 
Stenobothrus 
Meloe 
Libella 
Melolontha 
Lina 
Lycus 
Sphinx 
_ Ambyteles 
* (Stuhlmann) 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
* 
(Stuhlmann) 
(Brandt) 
} (Will) 
■ (Stuhlmann) 
* (Leydig) 
* (Wielowiejski) 
* (Balbiani) 
:i 
^ y (Stuhlmann) 
* J 
1 1 (Leydig) 
* (Leydig) 
* (Stuhlmann) 
* (Leydig) 
* (Stuhlmann) 
* 
MU 
MU 
* 
* 
MU 
(St. George) 
(Wagner) 
► (Stuhlmann) 
Psammechinus 
Echinocardium 
Echinus 
Toxopneustes 
Asteracanthion 
Sphaerechinus 
Amphidetus 
Solaster 
Echinodermata. 
* | (Bergh) 
* | (Ludwig) 
# j- (Hacker) 
* } (O. Hertwig) 
Mollusca. 
r Chaetoderma 
* (Wiren) 
\ Proneomenia 
* (Hubrecht) 
