Volume XIX. February, 1908. Number 1. 
| 
JOURNAL 
OF 
MORPHOLOGY. 
A STUDY OF THE CAUSES UNDERLYING ‘THE 
ORIGIN OF HUMAN MONSTERS. (THIRD 
CONTRIBUTION TO THE’ STUDY 
OF THE PATHOLOGY OF 
HUMAN EMBRYOS.) 
By FRANKLIN P. MALL, 
ProrEessor oF ANatTomMy, JouNs Hopkins University, BALtimore, Mp. 
PAGE 
MEO CITC ELOLIMN erecta oacis oo Seca Baum sraceeiaie ws ee Sa alates cleieje'e, bisleuelarefore 2 
Part I 
lsiaiaareall see cea es Secnoo bem BeBe aoe or ol6 Namo Geiaton doit o amar raatn (a) 
Experimental : 
(a) Datibles Monster Ssiseke Sede ce + ccieln nie cleans sic ov ole ale « osniely 17 
(b) Lithium embryos and nodular forms in chicks and man...... 21 
(c) Experiments with salts of potassium and changes especially 
TITRE Cleantiertin ey. ecu tae as as ncvenscte etlekorn aus erotocgn ei@isiarsavo.a's) stale 25 
(d) Sodium monsters—spina bifida and anencephaly ............ Be 
(e) The destruction of tissues in magnesium monsters, cy- 
elopia atid club-f00t. - 02 1. ewe Pasi wea e Peele nse seas 43 
BapMOlOSICAl GVA. 6 fac oes socio ednin see asias eres At Hon OCP PR ita cOmen 48 
REWits PYERUATICICS, vo nec nes ecica's cies vies ae ted oes wees Fetes aewaseeeesss 58 
I 
